WO2022029843A1 - 半導体装置モジュールおよびその製造方法 - Google Patents
半導体装置モジュールおよびその製造方法 Download PDFInfo
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- WO2022029843A1 WO2022029843A1 PCT/JP2020/029679 JP2020029679W WO2022029843A1 WO 2022029843 A1 WO2022029843 A1 WO 2022029843A1 JP 2020029679 W JP2020029679 W JP 2020029679W WO 2022029843 A1 WO2022029843 A1 WO 2022029843A1
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- Prior art keywords
- heat dissipation
- semiconductor device
- block
- dissipation block
- device module
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- 239000004065 semiconductor Substances 0.000 title claims abstract 22
- 238000000034 method Methods 0.000 title claims 23
- 238000004519 manufacturing process Methods 0.000 title claims 12
- 239000000463 material Substances 0.000 claims abstract 22
- 239000011347 resin Substances 0.000 claims abstract 12
- 229920005989 resin Polymers 0.000 claims abstract 12
- 239000000758 substrate Substances 0.000 claims abstract 6
- 238000007789 sealing Methods 0.000 claims abstract 4
- 230000017525 heat dissipation Effects 0.000 claims 31
- 235000019589 hardness Nutrition 0.000 claims 6
- 230000005855 radiation Effects 0.000 claims 6
- 238000007747 plating Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4882—Assembly of heatsink parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/561—Batch processing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/565—Moulds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/433—Auxiliary members in containers characterised by their shape, e.g. pistons
- H01L23/4334—Auxiliary members in encapsulations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/065—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00
- H01L25/0655—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10D89/00 the devices being arranged next to each other
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3736—Metallic materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/552—Protection against radiation, e.g. light or electromagnetic waves
Definitions
- This application relates to a semiconductor device module and a method for manufacturing the same.
- a conventional semiconductor device module a plurality of chip parts and devices are mounted on an organic substrate, and the hybrid module for high-frequency products sealed with a mold resin material is used to dissipate heat generated during device operation to the outside of the module.
- a structure with a built-in metal heat dissipation block with good heat conduction is known.
- the heat dissipation block can efficiently dissipate heat from the device to the outside of the module by contacting one with the device that generates heat and exposing the other to the surface of the module. Therefore, after mounting a plurality of devices on an organic substrate, a heat dissipation block is bonded onto the device and sealed with a mold resin.
- the device thickness, height after device mounting, heat dissipation block height, and heat dissipation block adhesive material are used. Due to dimensional tolerances such as thickness and variations in workmanship, it is difficult to accurately align the heights of multiple heat dissipation blocks. Therefore, there is a risk that the mold and the heat dissipation block will come into contact with each other when the mold is fastened for sealing the mold resin, and the device will be destroyed. It was
- the present application discloses a technique for solving the above-mentioned problems, and prevents quality defects due to clogging of the grindstone when grinding a heat dissipation block buried in a mold resin with a diamond grindstone or the like, and productivity is achieved. It is an object of the present invention to provide a semiconductor device module and a manufacturing method capable of improving the above.
- the semiconductor device module disclosed in the present application is a mold resin that exposes a device provided on the surface of a substrate, a heat dissipation block provided on the surface of the device, and at least one surface of the heat dissipation block to seal the device.
- the radiating block is characterized by including two portions of material of different hardness.
- the semiconductor device module disclosed in the present application exposes the device and the dummy block provided on the surface of the substrate, the heat dissipation block provided on the surface of the device, and at least one surface of the heat dissipation block to expose the device.
- the dummy block includes a mold resin for sealing, and the dummy block is characterized in that the height from the substrate is the same as that of the heat radiation block and the material is harder than the heat radiation block.
- the method for manufacturing a semiconductor device module disclosed in the present application includes a step of mounting a device on the surface of a substrate, a step of fixing a heat dissipation block on the surface of the device, and a molding resin of the device having the heat dissipation block fixed on the surface. It comprises a step of sealing with, and a step of grinding the mold resin until at least one surface of the heat radiation block is exposed, and the heat radiation block comprises two portions of materials having different hardness. ..
- the method for manufacturing a semiconductor device module disclosed in the present application includes a step of mounting a device on the surface of a substrate, a step of fixing a heat dissipation block on the surface of the device, and a step of forming a dummy block on the surface of the substrate.
- the dummy block comprises a step of sealing the device in which the heat radiation block is fixed to a surface with a mold resin, and a step of grinding the mold resin until at least one surface of the heat radiation block is exposed.
- the material is characterized in that the height from the substrate is equal to or higher than the heat radiating block and is harder than the heat radiating block.
- the method for manufacturing a semiconductor device module disclosed in the present application includes a step of mounting a device on the surface of a substrate, a step of fixing a heat dissipation block on the surface of the device, and a dummy block on a dicing line on the surface of the substrate.
- the dummy block includes a step of forming, a step of sealing the device having the heat radiation block fixed to the surface with a mold resin, and a step of grinding the mold resin until at least one surface of the heat radiation block is exposed. Is characterized in that the height from the substrate is equal to or higher than the heat radiating block, and the material is harder than the heat radiating block.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 1.
- FIG. It is a perspective view which shows the whole structure of the semiconductor device module which concerns on Embodiment 1.
- FIG. It is a perspective view in each step of the manufacturing process of the semiconductor device module which concerns on Embodiment 1.
- FIG. It is a flowchart which shows the manufacturing process of the semiconductor device module which concerns on Embodiment 1.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 2.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 3.
- FIG. It is a perspective view and the sectional view which shows the other structure of the main part of the semiconductor device module which concerns on Embodiment 3.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 4.
- FIG. It is a perspective view and the sectional view which shows the other structure of the main part of the semiconductor device module which concerns on Embodiment 4.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 5.
- FIG. It is a perspective view and sectional drawing which shows the structure of the main part of the semiconductor device module which concerns on Embodiment 6.
- It is a top view which shows the structure of the semiconductor device module which concerns on Embodiment 7.
- Embodiment 1 (a) and 1 (b) are diagrams showing the configuration of a main part of the semiconductor device module according to the first embodiment of the present application.
- 1 (a) is a perspective view
- FIG. 1 (b) is a cross-sectional view taken along the line AA of FIG. 1 (a).
- FIG. 2 is a perspective view showing the configuration of the entire semiconductor device module.
- the semiconductor device module 101 includes an organic substrate 10, a device 20 and a chip component 30 provided on the surface of the organic substrate 10, a heat dissipation block 40 provided in contact with the surface of the device 20, and a heat dissipation block. It is composed of a mold resin 50 that exposes the surface of 40 and seals the device 20 and the chip component 30.
- the main part of the semiconductor device module 101 according to the first embodiment of the present application includes a heat dissipation block 40 and a device 20.
- oxygen-free copper is alloyed on the exposed side of the module, and the first portion 40a of a hard and easily grindable material and the device contact side have an oxygen-free copper composition having good heat conduction and a second soft material. It has a portion 40b and.
- the heat radiating block 40 is made of a material in which the metal composition changes in an inclined manner from the first portion 40a on the side exposed from the mold resin 50 to the second portion 40b on the side in contact with the device 20.
- FIG. 3 is a diagram showing each step of the manufacturing process of the semiconductor device module 101 according to the first embodiment.
- FIG. 4 is a flowchart showing the procedure of the manufacturing method of the semiconductor device module 101 according to the first embodiment.
- the solder paste is applied to the surface of the organic substrate 10 by the solder printing step (step S401), and then the chip component 30 and the device 20 are organically mounted by the mounting step (step S402). It is mounted on the substrate 10.
- step S403 the chip component 30 and the device 20 are cleaned on the organic substrate on which the chip component 30 and the device 20 are mounted.
- the heat dissipation block 40 is mounted on the device 20 with an adhesive sandwiched by the die bond / cure step (step S404), and is fixed by heat treatment.
- the chip component 30 and the device 20 on the organic substrate 10 are sealed with the mold resin 50 by the sealing step (step S405), and then the dicing individualization step (step).
- the organic substrate 10 is separated into individual modules by S406).
- the surface of the mold resin 50 is ground by the grinding process (step S407) to expose the heat radiation block 40, and then electrically required by the electromagnetic shielding process (step S408). It is completed by applying an electromagnetic shield due to its nature.
- the device 20 provided on the surface of the organic substrate 10, the heat radiation block 40 bonded and fixed to the surface of the device 20, and the heat radiation block A mold resin 50 for exposing at least one surface of the 40 and sealing the device 20 is provided, and the heat dissipation block 40 includes portions of different hardness materials of the first portion 40a and the second portion 40b, and dissipates heat.
- the material of the block 40 is inclined from the first portion 40a on the side exposed from the mold resin 50 to the second portion 40b on the side to be bonded to the device 20, and the first portion 40a is from the second portion 40b.
- the step of mounting the device 20 on the surface of the organic substrate 10 and the heat dissipation on the surface of the device 20 are made of a hard material. It includes a step of fixing the block 40, a step of sealing the device 20 having the heat radiation block 40 fixed to the surface with the mold resin 50, and a step of grinding the mold resin 50 until at least one surface of the heat radiation block 40 is exposed.
- the heat dissipation block 40 includes parts made of materials having two different hardnesses, and the heat dissipation block 40 extends from the first portion 40a on the side exposed from the mold resin 50 to the second portion 40b on the side in contact with the device 20.
- the hardness (hardness) is inclined and the first portion 40a is made of a harder material than the second portion 40b, the heat dissipation from the device is not impaired and the hard material portion is ground. As a result, the diamond grindstone is not clogged, and good grindability of the grindstone can be maintained. In addition, quality defects such as burrs and chipping of the mold resin do not occur, and there is no need for frequent dressing work of the diamond grindstone, so that the effects of quality stabilization and productivity improvement can be obtained.
- Embodiment 2 In the first embodiment, the materials of the first portion 40a and the second portion 40b of the heat dissipation block 40 are inclined, but in the second embodiment, the case where they are alternately stacked will be described.
- FIG. 5 (a) and 5 (b) are diagrams showing the configuration of the main part of the semiconductor device module according to the second embodiment of the present application.
- 5 (a) is a perspective view
- FIG. 5 (b) is a cross-sectional view taken along the line AA of FIG. 5 (a).
- the heat dissipation block 40 according to the second embodiment of the present application has a first portion 40a that is hard and has good grindability by a diamond grindstone, and has good thermal conductivity.
- the soft second portion 40b is alternately superposed on the surface of the device 20 in the parallel direction.
- Other configurations and manufacturing methods of the semiconductor device module according to the second embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the soft part and the hard part are ground at the same time, so that the grindstone is grained (self-generated blade) when grinding the hard part, and the grindability of the grindstone can be maintained.
- a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- the heat dissipation block 40 has the first portion 40a and the second portion 40b of two materials having different hardness parallel to the surface of the device 20.
- the grindstone is grained (self-generated blade) when grinding the hard part, and the grindability of the grindstone is improved. Can be kept.
- a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- Embodiment 3 In the second embodiment, two portions of the heat radiating block 40 made of materials having different hardness are alternately stacked, but in the third embodiment, a case where the shape has a cylindrical shape will be described.
- FIG. 6 (a) and 6 (b) are diagrams showing the configuration of the main part of the semiconductor device module according to the third embodiment of the present application.
- 6 (a) is a perspective view
- FIG. 6 (b) is a cross-sectional view taken along the line AA of FIG. 6 (a).
- a soft second portion 40b having good thermal conductivity is formed into a cylindrical shape, and the heat dissipation block 40 is hard in the tubular shape. It has a form in which the first portion 40a having good grindability by a diamond grindstone is inserted.
- Other configurations and manufacturing methods of the semiconductor device module according to the third embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the soft part and the hard part are ground at the same time, so that the grindstone is grained (self-generated blade) when grinding the hard part, and the grindability of the grindstone can be maintained.
- a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- the second portion 40b is formed in a tubular shape in the direction perpendicular to the surface of the device 20, and the second portion 40b is formed in a tubular shape. Since the first portion 40a is formed inside the tubular shape of the portion 40b and the first portion 40a is made of a material harder than the second portion 40b, the soft portion and the hard portion are ground at the same time. As a result, when grinding a hard portion, the grindstone is grained (self-generated blade), and the grindability of the grindstone can be maintained. In addition, a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- the tubular portion is the second portion 40b made of a soft material, but the present invention is not limited to this.
- 7 (a) and 7 (b) are diagrams showing other configurations of the main part of the semiconductor device module according to the third embodiment of the present application.
- 7 (a) is a perspective view
- FIG. 7 (b) is a cross-sectional view taken along the line AA of FIG. 7 (a).
- the cylindrical portion is a first portion 40a made of a hard material, and the inside of the tubular portion of the first portion 40a is made of a soft material.
- the second portion 40b may be formed. In this case as well, the same effect as that of the third embodiment can be obtained.
- Embodiment 4 In the third embodiment, the second portion 40b of the heat dissipation block 40 is formed in a cylindrical shape, but in the fourth embodiment, a case where the second portion 40b is formed in a grid shape will be described.
- FIG. 8 (a) and 8 (b) are diagrams showing the configuration of the main part of the semiconductor device module according to the fourth embodiment of the present application.
- 8 (a) is a perspective view
- FIG. 8 (b) is a cross-sectional view taken along the line AA of FIG. 8 (a).
- a soft second portion 40b having good thermal conductivity is formed in a grid pattern and is hard in the second portion 40b. It has a form in which the first portion 40a having good grindability by a diamond grindstone is inserted.
- Other configurations and manufacturing methods of the semiconductor device module according to the fourth embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the soft part and the hard part are ground at the same time, so that the grindstone is grained (self-generated blade) when grinding the hard part, and the grindability of the grindstone can be maintained.
- a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- the second portion 40b is formed in a grid pattern in the direction perpendicular to the surface of the device 20, and the second portion 40b is formed. Since the first portion 40a is formed inside the grid of the portion 40b and the material of the first portion 40a is harder than that of the second portion 40b, the soft portion and the hard portion are ground at the same time. As a result, when grinding a hard portion, the grindstone is grained (self-generated blade), and the grindability of the grindstone can be maintained. In addition, a material with good thermal conductivity can be exposed to the surface of the module, and the heat dissipation of the device can be ensured.
- the lattice-shaped portion is the second portion 40b made of a soft material, but the present invention is not limited to this.
- 9 (a) and 9 (b) are diagrams showing other configurations of the main part of the semiconductor device module according to the fourth embodiment of the present application.
- 9 (a) is a perspective view
- FIG. 9 (b) is a cross-sectional view taken along the line AA of FIG. 9 (a).
- the grid-like portion is the first portion 40a of a hard material
- the inside of the grid-like portion of the first portion 40a is made of a soft material.
- the second portion 40b may be formed. In this case as well, the same effect as that of the fourth embodiment can be obtained.
- Embodiment 5 the second portion 40b of the heat dissipation block 40 is formed in a grid pattern, but in the fifth embodiment, the case of plating will be described.
- FIG. 10 (a) and 10 (b) are diagrams showing the configuration of the main part of the semiconductor device module according to the fifth embodiment of the present application.
- 10 (a) is a perspective view
- FIG. 10 (b) is a cross-sectional view taken along the line AA of FIG. 10 (a).
- the heat dissipation block 40 according to the fifth embodiment of the present application is hard and grindable by a diamond grindstone on the surface of the soft second portion 40b having good thermal conductivity. Is in the form of a good first portion 40a formed by plating.
- Other configurations and manufacturing methods of the semiconductor device module according to the fifth embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the grindstone can be grained (self-generated blade) by grinding the hard part, and the grindability of the grindstone can be maintained. Further, since the plated portion of the exposed surface of the heat dissipation block is removed by grinding after the grinding is completed, the material having good thermal conductivity is exposed to the module surface, and the heat dissipation of the device can be ensured.
- the heat radiation block 40 has the side surface and the first portion 40a on the side surface and the surface of the second portion 40b fixed to the surface of the device 20. Is formed by plating, and the first portion 40a is made of a material harder than the second portion 40b. In the grinding process, the first portion 40a on the surface of the heat dissipation block 40 is removed, so that the hard portion is formed. By grinding the grindstone, the grindstone is grained (self-generated blade), and the grindability of the grindstone can be maintained. Further, since the plated portion of the exposed surface of the heat dissipation block is removed by grinding after the grinding is completed, the material having good thermal conductivity is exposed to the module surface, and the heat dissipation of the device can be ensured.
- Embodiment 6 In the fifth embodiment, the surface of the second portion 40b of the heat dissipation block 40 is plated with the first portion 40a, but in the sixth embodiment, a case where a hard material portion is formed on the upper end portion of the heat dissipation block will be described. do.
- FIG. 11 (a) and 11 (b) are diagrams showing the configuration of the main part of the semiconductor device module according to the sixth embodiment of the present application.
- 11 (a) is a perspective view
- FIG. 11 (b) is a cross-sectional view taken along the line AA of FIG. 11 (a).
- the heat dissipation block 40 according to the sixth embodiment of the present application is hard and grindable by a diamond grindstone on the upper part of the soft second portion 40b having good thermal conductivity. Is in the form of overlapping the good first portions 40a.
- Other configurations and manufacturing methods of the semiconductor device module according to the sixth embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the grindstone can be grained (self-generated blade) by grinding the hard part, and the grindability of the grindstone can be maintained. Further, after the grinding is completed, the heat dissipation of the device can be ensured by grinding without leaving the hard material on the surface of the heat dissipation block and exposing the module surface.
- the heat radiation block 40 has the first portion 40a formed on the surface of the second portion 40b provided on the surface of the device 20.
- the first portion 40a is made of a material harder than the second portion 40b, and in the grinding process, the first portion 40a on the surface of the heat dissipation block 40 is removed, so that the hard portion is ground. This allows the grindstone to be grained (self-generated blade), and the grindability of the grindstone can be maintained. Further, after the grinding is completed, the heat dissipation of the device can be ensured by grinding without leaving the hard material on the surface of the heat dissipation block and exposing the module surface.
- Embodiment 7 In the sixth embodiment, the first portion 40a is formed on the surface of the second portion 40b, but in the seventh embodiment, a case where a dummy block is formed will be described.
- FIG. 12 is a plan view (mold resin is not shown) showing the configuration of the semiconductor device module according to the seventh embodiment of the present application.
- the semiconductor device module 102 according to the seventh embodiment of the present application has the height from the organic substrate 10 in the four corners of the module, the area on the organic substrate 10 on which the device and the chip component are not mounted, and the height from the organic substrate 10. It is equivalent to the heat dissipation block 40, and has a form in which a dummy block 41, which is hard and has good grindability by a diamond grindstone, is arranged.
- Other configurations and manufacturing methods of the semiconductor device module 102 according to the seventh embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the heat dissipation block having good thermal conductivity is exposed to the surface of the module, so that the heat dissipation of the device can be ensured. Further, the heat dissipation block can use the conventional form.
- the device 20 and the dummy block 41 provided on the surface of the organic substrate 10 and the heat radiation block 40 bonded and fixed to the surface of the device 20 are attached.
- the dummy block 41 is provided with a mold resin 50 that exposes at least one surface of the heat radiation block 40 to seal the device 20, and the height of the dummy block 41 from the organic substrate 10 is the same as that of the heat radiation block 40.
- the process of mounting the device 20 on the surface of the organic substrate 10 and the surface of the device 20 A step of fixing the heat radiating block 40, a step of forming a dummy block 41 on the surface of the organic substrate 10, a step of sealing the device 20 having the heat radiating block 40 fixed on the surface with the mold resin 50, and a step of radiating the mold resin 50.
- the dummy block 41 includes a step of grinding until at least one surface of the block 40 is exposed, and the dummy block 41 is made of a material whose height from the organic substrate 10 is equal to or higher than that of the heat radiation block 40 and harder than that of the heat radiation block 40.
- the grindstone can be grained (self-generated blade) by grinding the hard portion, and the grindability of the grindstone can be maintained. Further, the heat dissipation block having good thermal conductivity is exposed to the surface of the module, so that the heat dissipation of the device can be ensured. Further, the heat dissipation block can use the conventional form.
- the dicing individualization step (step S406 in FIG. 4) is followed by the grinding step (step S407 in FIG. 4), but the present invention is not limited to this.
- the grinding step step S407 of FIG. 4
- the dicing individualization step step S406 of FIG. 4 may be performed. Also in these cases, the effects described in each embodiment can be obtained.
- Embodiment 8 In the seventh embodiment, the dummy block is provided on the surface of the organic substrate 10, but in the eighth embodiment, the case where the dummy block is formed in the margin portion to be cut when the individual pieces are separated will be described.
- FIG. 13 (a) and 13 (b) are views showing the configuration of the semiconductor device module according to the eighth embodiment of the present application (mold resin is not shown), and are semiconductor device modules before individualization.
- .. 13 (a) is a plan view
- FIG. 13 (b) is a cross-sectional view taken along the line BB of FIG. 13 (a).
- the semiconductor device module 103 according to the eighth embodiment of the present application is organic on the dicing line (cutting region) of the organic substrate 10 before being fragmented.
- the height from the substrate 10 is the same as that of the heat dissipation block 40, and the form is such that a dummy block 42 which is hard and has good grindability by a diamond grindstone is arranged.
- Other configurations of the semiconductor device module according to the seventh embodiment are the same as those of the semiconductor device module 101 of the first embodiment, and the corresponding portions are designated by the same reference numerals and the description thereof will be omitted.
- the method for manufacturing the semiconductor device module 103 according to the eighth embodiment of the present application is the embodiment except that the dicing individualization step (step S406 in FIG. 4) is performed after the grinding step (step S407 in FIG. 4). It is the same as the manufacturing method of the semiconductor device module 101 which concerns on 1.
- the grindstone is grained (self-generated blade) when grinding the hard part, and the grindability of the grindstone can be maintained. Further, the heat dissipation block having good thermal conductivity is exposed to the surface of the module, so that the heat dissipation of the device can be ensured. Further, the heat radiating block can use the conventional form, and it is not necessary to secure a space for arranging a dummy heat radiating block having good grindability in the module.
- the step of mounting the device 20 on the surface of the organic substrate 10 and the step of fixing the heat dissipation block 40 on the surface of the device 20 A step of forming a dummy block 42 on the dicing line on the surface of the organic substrate 10, a step of sealing the device 20 having the heat radiation block 40 fixed to the surface with the mold resin 50, and a step of sealing the mold resin 50 on at least one surface of the heat radiation block 40.
- the dummy block 42 is made of a material whose height from the organic substrate 10 is equal to or higher than that of the heat radiating block 40 and is harder than that of the heat radiating block 40.
- the grindstone can be diced (self-generated blade) by grinding the hard portion, and the grindability of the grindstone can be maintained. Further, the heat dissipation block having good thermal conductivity is exposed to the surface of the module, so that the heat dissipation of the device can be ensured. Further, the heat radiating block can use the conventional form, and it is not necessary to secure a space for arranging a dummy heat radiating block having good grindability in the module.
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Abstract
Description
図1(a)および図1(b)は、本願の実施の形態1に係る半導体装置モジュールの主要部の構成を示す図である。図1(a)は斜視図であり、図1(b)は図1(a)のAA矢視断面図である。図2は半導体装置モジュール全体の構成を示す斜視図である。
実施の形態1では、放熱ブロック40の第一の部分40aと第二の部分40bの材質が傾斜するようにしたが、実施の形態2では、交互に重ねた場合について説明する。
実施の形態2では、放熱ブロック40の二つの異なる硬さの材質の部分を交互に重ねて形成したが、実施の形態3では、筒状の形状とした場合について説明する。
実施の形態3では、放熱ブロック40の第二の部分40bを筒状に形成したが、実施の形態4では、格子状に形成した場合について説明する。
実施の形態4では、放熱ブロック40の第二の部分40bを格子状に形成したが、実施の形態5では、メッキをした場合について説明する。
実施の形態5では、放熱ブロック40の第二の部分40bの表面に第一の部分40aをメッキしたが、実施の形態6では、放熱ブロックの上端部に硬い材質の部分を形成した場合について説明する。
実施の形態6では、第二の部分40bの表面に第一の部分40aを形成したが、実施の形態7では、ダミーブロックを形成した場合について説明する。
実施の形態7では、有機基板10の表面にダミーブロックを設けたが、実施の形態8では、個片化する際に切断するのりしろ部分にダミーブロックを形成した場合について説明する。
Claims (19)
- 基板の表面に設けられたデバイスと、
前記デバイスの表面に設けられた放熱ブロックと、
前記放熱ブロックの少なくとも一面を露出して前記デバイスを封止するモールド樹脂と、
を備え、
前記放熱ブロックは、二つの異なる硬さの材質の部分を含むことを特徴とする半導体装置モジュール。 - 前記放熱ブロックは、前記モールド樹脂から露出する側の第一の部分から前記デバイスとの接する側の第二の部分にかけて硬度が傾斜し、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項1に記載の半導体装置モジュール。
- 前記放熱ブロックは、前記二つの異なる硬さの材質の部分が前記デバイスの表面と並行して交互に重ねて形成されていることを特徴とする請求項1に記載の半導体装置モジュール。
- 前記放熱ブロックは、第一の部分が前記デバイスの表面に対して垂直方向に筒状に形成されると共に、前記第一の部分の内部に第二の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項1に記載の半導体装置モジュール。
- 前記放熱ブロックは、第二の部分が前記デバイスの表面に対して垂直方向に筒状に形成されると共に、前記第二の部分の内部に第一の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項1に記載の半導体装置モジュール。
- 前記放熱ブロックは、第一の部分が前記デバイスの表面に対して垂直方向に格子状に形成されると共に、前記第一の部分の内部に第二の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項1に記載の半導体装置モジュール。
- 前記放熱ブロックは、第二の部分が前記デバイスの表面に対して垂直方向に格子状に形成されると共に、前記第二の部分の内部に第一の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項1に記載の半導体装置モジュール。
- 基板の表面に設けられたデバイスおよびダミーブロックと、
前記デバイスの表面に設けられた放熱ブロックと、
前記放熱ブロックの少なくとも一面を露出して前記デバイスを封止するモールド樹脂と、
を備え、
前記ダミーブロックは、前記基板からの高さが前記放熱ブロックと同等であり、前記放熱ブロックよりも硬い材質であることを特徴とする半導体装置モジュール。 - 基板の表面にデバイスを実装する工程と、
前記デバイスの表面に放熱ブロックを固定する工程と、
前記放熱ブロックを表面に固定した前記デバイスをモールド樹脂で封止する工程と、
前記モールド樹脂を前記放熱ブロックの少なくとも一面が露出するまで研削する工程と、
を含み、
前記放熱ブロックは、二つの異なる硬さの材質の部分を含むことを特徴とする半導体装置モジュールの製造方法。 - 前記放熱ブロックは、前記モールド樹脂から露出する側の第一の部分から前記デバイスとの接する側の第二の部分にかけて硬度が傾斜し、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、前記二つの異なる硬さの材質の部分が前記デバイスの表面と並行して交互に重ねて形成されていることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、第一の部分が前記デバイスの表面に対して垂直方向に筒状に形成されると共に、前記第一の部分の内部に第二の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、第二の部分が前記デバイスの表面に対して垂直方向に筒状に形成されると共に、前記第二の部分の筒状の内部に第一の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、第一の部分が前記デバイスの表面に対して垂直方向に格子状に形成されると共に、前記第一の部分の内部に第二の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、第二の部分が前記デバイスの表面に対して垂直方向に格子状に形成されると共に、前記第二の部分の内部に第一の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であることを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、前記デバイスの表面に固定された第二の部分の側面および表面に第一の部分がメッキで形成され、前記第一の部分は、前記第二の部分よりも硬い材質であり、前記研削する工程では、前記放熱ブロックの表面の前記第一の部分を除去することを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 前記放熱ブロックは、前記デバイスの表面に設けられた第二の部分の表面端部に第一の部分が形成され、前記第一の部分は、前記第二の部分よりも硬い材質であり、前記研削する工程では、前記放熱ブロックの表面の前記第一の部分を除去することを特徴とする請求項9に記載の半導体装置モジュールの製造方法。
- 基板の表面にデバイスを実装する工程と、
前記デバイスの表面に放熱ブロックを固定する工程と、
前記基板の表面にダミーブロックを形成する工程と、
前記放熱ブロックを表面に固定した前記デバイスをモールド樹脂で封止する工程と、
前記モールド樹脂を前記放熱ブロックの少なくとも一面が露出するまで研削する工程と、
を含み、
前記ダミーブロックは、前記基板からの高さが前記放熱ブロックと同等または前記放熱ブロックよりも高く、前記放熱ブロックよりも硬い材質であることを特徴とする半導体装置モジュールの製造方法。 - 基板の表面にデバイスを実装する工程と、
前記デバイスの表面に放熱ブロックを固定する工程と、
前記基板の表面のダイシングラインにダミーブロックを形成する工程と、
前記放熱ブロックを表面に固定した前記デバイスをモールド樹脂で封止する工程と、
前記モールド樹脂を前記放熱ブロックの少なくとも一面が露出するまで研削する工程と、
を含み、
前記ダミーブロックは、前記基板からの高さが前記放熱ブロックと同等または前記放熱ブロックよりも高く、前記放熱ブロックよりも硬い材質であることを特徴とする半導体装置モジュールの製造方法。
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JP2012174711A (ja) * | 2011-02-17 | 2012-09-10 | Denso Corp | 半導体装置の製造方法及び半導体装置 |
JP2017108046A (ja) * | 2015-12-11 | 2017-06-15 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2019083292A (ja) * | 2017-10-31 | 2019-05-30 | トヨタ自動車株式会社 | 半導体装置 |
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