CN106057386A - Ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes - Google Patents
Ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes Download PDFInfo
- Publication number
- CN106057386A CN106057386A CN201610530539.7A CN201610530539A CN106057386A CN 106057386 A CN106057386 A CN 106057386A CN 201610530539 A CN201610530539 A CN 201610530539A CN 106057386 A CN106057386 A CN 106057386A
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- China
- Prior art keywords
- electrode
- ntc thermistor
- ntc
- thin
- ultra
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 150000002466 imines Chemical class 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/144—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals or tapping points being welded or soldered
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses an ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes. The ultrathin NTC thermistor comprises the first electrode, the second electrode, an insulating layer and an NTC thermistor chip. The first electrode and the second electrode are arranged on the upper surface of the NTC thermistor chip side by side at intervals, two ends of the first electrode and two ends of the second electrode are welded with the upper surface of the NTC thermistor chip, the first electrode and the second electrode are copper electrodes with the thicknesses of 0.005-0.01 mm, the widths of 0.025 mm and the lengths of 300-10000 mm, and the insulating layer is arranged between the first electrode and the second electrode and is a film with the thickness of 0.01-0.025 mm. The ultrathin NTC thermistor with the single-side electrodes has the advantages that the ultrathin NTC thermistor with the single-side electrodes is large in contact detected area and short in distance, and the reaction speed of the ultrathin NTC thermistor can be increased.
Description
Technical field
The present invention relates to thermistor element technical field, particularly relate to a kind of the most ultra-thin NTC thermistor of one side and
Preparation method.
Background technology
NTC thermistor refers to the critesistor with negative temperature coefficient, be a kind of be main with transition metal oxide
Raw material, uses the thermal sensitive ceramics assembly that electronic ceramic process is made.Therefore, while realizing miniaturization, also there is resistance
The feature that the fluctuation of value, temperature characterisitic is little, fast to the response of various variations in temperature, can carry out high sensitivity, high-precision detection.
In prior art, frequently be the welding all carrying out double-face electrode on two surfaces of NTC heat sensitive chip, then
Be packaged again, the critesistor thickness after encapsulation typically between 0.25-0.45mm, size between 0.80-2.0mm, NTC
The detection area of heat sensitive chip detection object under test is less, distance is relatively big, thus its response time is slow, it is impossible to meet fast reaction
Demand.
Summary of the invention
The technical problem existed based on background technology, the present invention propose a kind of the most ultra-thin NTC thermistor of one side and
Preparation method, the detected area of this one side the most ultra-thin NTC thermistor contact is big, apart from little.Add the anti-of NTC thermistor
Answer speed.
The present invention propose the most ultra-thin NTC thermistor of a kind of one side, including the first electrode, the second electrode, insulating barrier,
NTC thermistor chip, described NTC thermistor chip includes upper and lower two surfaces, on described NTC thermistor chip upper surface
Side by side and interval be provided with the first electrode and the second electrode, described first electrode and the second electrode two ends and NTC thermistor
Chip upper surface welds, and described NTC thermistor chip lower surface is electrodeless, and described first electrode and the second electrode are all adopted
With thickness be 0.005-0.01mm, width be 0.025mm, the copper electrode of a length of 300-10000mm, described first electrode and
Respectively being welded with lead-in wire on two electrodes, be provided with insulating barrier between described first electrode and the second electrode, described insulating barrier uses thickness
For 0.01-0.025mm glued membrane, the periphery of described NTC thermistor chip is packaged by glass encapsulating layer, described NTC heat
The thickness of quick resistance chip upper surface periphery correspondence glass encapsulating layer is corresponding more than lower surface periphery
The thickness of glass-encapsulated layer.
Preferably, described first electrode and the second electrode trestle column are 0.5-1.0mm.
Preferably, described glued membrane is polyimides glued membrane.
Preferably, described glued membrane is Teflon thin film glued membrane.
Preferably, described first electrode and the second electrode length are 400mm.
Accompanying drawing explanation
Fig. 1: one one side of the present invention the most ultra-thin NTC thermistor structural representation；
Wherein: 1, NTC thermistor chip, the 2, first electrode, the 3, second electrode, 4, insulating barrier.
Beneficial effect
The most ultra-thin NTC thermistor of a kind of one side that the present invention proposes, the detected face of this one side the most ultra-thin NTC thermistor contact
Long-pending big, apart from little, add the response speed of NTC thermistor.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
Embodiment 1
The most ultra-thin NTC thermistor of a kind of one side in the present embodiment, as it is shown in figure 1, include first electrode the 2, second electrode 3,
Insulating barrier 4, NTC thermistor chip 1, described NTC thermistor chip 1 includes upper and lower two surfaces, described NTC thermistor core
On sheet 1 upper surface side by side and interval be provided with the first electrode 2 and the second electrode 3, and trestle column is 0.5-1.0mm, the first electricity
Pole 2 and the second electrode 3 two ends are welded with NTC thermistor chip 1 upper surface, and described NTC thermistor chip 1 lower surface is nothing
Electrode surface.
Described first electrode 2 and the second electrode 3 all use thickness to be 0.005-0.01mm, width is 0.025mm, a length of
The copper electrode of 400mm, the upper lead-in wire 5 of each welding, described first electrode 2 and the second electrode on described first electrode 2 and the second electrode 3
Being provided with insulating barrier 4 between 3, described insulating barrier 4 uses thickness to be 0.01-0.025mm polyimides glued membrane, with machine insulating barrier
4 cement the first electrode 2 and the second electrode 3, insulating electrode.
The periphery of described NTC thermistor chip 1 is put a glass bushing and is packaged by glass encapsulating layer, described
The thickness of NTC thermistor chip 1 upper surface periphery correspondence glass encapsulating layer is more than lower surface periphery correspondence glass-encapsulated layer
Thickness, faces down the NTC resistance electrodeless one packaging glass bushing, is placed on heat resistance insulating sheet and carries out sinter molding.
In this enforcement, during use, NTC thermistor chip 1 lower surface of the most ultra-thin for one side NTC thermistor is contacted quilt
Detecting object, increases 3-10 times than the NTC thermistor detected area of detection contact, adds the reaction speed of NTC thermistor
Spending 5-15 times, being reacted to stabilized speed is 0.3s, be unlikely to heating or cryogenic temperature the most closely exceeded and NTC thermistor also
Do not react.
Embodiment 2
The most ultra-thin NTC thermistor of a kind of one side in the present embodiment, as it is shown in figure 1, include first electrode the 2, second electrode 3,
Insulating barrier 4, NTC thermistor chip 1, described NTC thermistor chip 1 includes upper and lower two surfaces, described NTC thermistor core
On sheet 1 upper surface side by side and interval be provided with the first electrode 2 and the second electrode 3, and trestle column is 0.5-1.0mm, the first electricity
Pole 2 and the second electrode 3 two ends are welded with NTC thermistor chip 1 upper surface, and described NTC thermistor chip 1 lower surface is nothing
Electrode surface, described first electrode 2 and the second electrode 3 all use thickness to be 0.005-0.01mm, width is 0.025mm, a length of
The copper electrode of 300-10000mm, described first electrode 2 and the second electrode 3 are respectively welded with lead-in wire, described first electrode 2 and
Being provided with insulating barrier 4 between two electrodes 3, described insulating barrier 4 uses thickness to be 0.01-0.025mm Teflon thin film glued membrane, described
The periphery of NTC thermistor chip 1 is put a glass bushing and is packaged by glass encapsulating layer, described NTC thermistor core
The thickness of sheet 1 upper surface periphery correspondence glass encapsulating layer, more than the thickness of lower surface periphery correspondence glass-encapsulated layer, will package glass
The NTC resistance electrodeless one of glass sleeve pipe faces down, and is placed on heat resistance insulating sheet and carries out sinter molding.
In this enforcement, during use, NTC thermistor chip 1 lower surface of the most ultra-thin for one side NTC thermistor is contacted quilt
Detecting object, increases 3-10 times than the NTC thermistor detected area of detection contact, adds the reaction speed of NTC thermistor
Spending 5-15 times, being reacted to stabilized speed is 0.3s, be unlikely to heating or cryogenic temperature the most closely exceeded and NTC thermistor also
Do not react.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (5)
1. the most ultra-thin NTC thermistor of one side, including the first electrode, the second electrode, insulating barrier, NTC thermistor chip,
It is characterized in that, described NTC thermistor chip includes upper and lower two surfaces, on described NTC thermistor chip upper surface side by side
And interval be provided with the first electrode and the second electrode, described first electrode and the second electrode two ends and NTC thermistor chip
Upper surface welds, and described NTC thermistor chip lower surface is electrodeless, and described first electrode and the second electrode all use thickness
Degree is 0.005-0.01mm, width is 0.025mm, the copper electrode of a length of 300-10000mm, described first electrode and the second electricity
Extremely going up and be respectively welded with lead-in wire, be provided with insulating barrier between described first electrode and the second electrode, described insulating barrier employing thickness is
0.01-0.025mm glued membrane, the periphery of described NTC thermistor chip is packaged by glass encapsulating layer, described NTC temperature-sensitive
The thickness of resistance chip upper surface periphery correspondence glass encapsulating layer is more than the thickness of lower surface periphery correspondence glass-encapsulated layer.
A kind of the most ultra-thin NTC thermistor of one side the most according to claim 1, it is characterised in that described first electrode with
Second electrode trestle column are 0.5-1.0mm.
A kind of the most ultra-thin NTC thermistor of one side the most according to claim 1, it is characterised in that described glued membrane is polyamides
Imines glued membrane.
A kind of the most ultra-thin NTC thermistor of one side the most according to claim 1, it is characterised in that described glued membrane is ferrum fluorine
Dragon thin film glued membrane.
5. according to the arbitrary described the most ultra-thin NTC thermistor of a kind of one side of claim 1-5, it is characterised in that described first
Electrode and the second electrode length are 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530539.7A CN106057386A (en) | 2016-07-07 | 2016-07-07 | Ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530539.7A CN106057386A (en) | 2016-07-07 | 2016-07-07 | Ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106057386A true CN106057386A (en) | 2016-10-26 |
Family
ID=57185081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610530539.7A Pending CN106057386A (en) | 2016-07-07 | 2016-07-07 | Ultrathin NTC (negative temperature coefficient) thermistor with single-side electrodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106057386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595482A (en) * | 2019-02-20 | 2020-08-28 | 安徽晶格尔电子有限公司 | Temperature sensor |
| CN113894398A (en) * | 2021-10-25 | 2022-01-07 | 智新半导体有限公司 | Method and device for improving NTC resistance welding reliability |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345266Y (en) * | 2009-01-20 | 2009-11-11 | 上海长园维安电子线路保护股份有限公司 | A thermosensitive resistor with surface attached with polymer PTC |
| US20100194522A1 (en) * | 2010-03-29 | 2010-08-05 | Jlj. Inc. | Resettable fuse with temperature compensation |
| CN201945401U (en) * | 2011-02-22 | 2011-08-24 | 肇庆爱晟电子科技有限公司 | High-precision three-wire double-probe quick-induction sensor |
| CN104198078A (en) * | 2014-07-30 | 2014-12-10 | 肇庆爱晟电子科技有限公司 | Rapid response single-side double-electrode glass package NTC (Negative-Temperature-Coefficient) thermistor and manufacturing method thereof |
| CN105606246A (en) * | 2015-12-31 | 2016-05-25 | 广东爱晟电子科技有限公司 | High-temperature-resistant quick-response thermistor and temperature sensor including the same |
-
2016
- 2016-07-07 CN CN201610530539.7A patent/CN106057386A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345266Y (en) * | 2009-01-20 | 2009-11-11 | 上海长园维安电子线路保护股份有限公司 | A thermosensitive resistor with surface attached with polymer PTC |
| US20100194522A1 (en) * | 2010-03-29 | 2010-08-05 | Jlj. Inc. | Resettable fuse with temperature compensation |
| CN201945401U (en) * | 2011-02-22 | 2011-08-24 | 肇庆爱晟电子科技有限公司 | High-precision three-wire double-probe quick-induction sensor |
| CN104198078A (en) * | 2014-07-30 | 2014-12-10 | 肇庆爱晟电子科技有限公司 | Rapid response single-side double-electrode glass package NTC (Negative-Temperature-Coefficient) thermistor and manufacturing method thereof |
| CN105606246A (en) * | 2015-12-31 | 2016-05-25 | 广东爱晟电子科技有限公司 | High-temperature-resistant quick-response thermistor and temperature sensor including the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595482A (en) * | 2019-02-20 | 2020-08-28 | 安徽晶格尔电子有限公司 | Temperature sensor |
| CN113894398A (en) * | 2021-10-25 | 2022-01-07 | 智新半导体有限公司 | Method and device for improving NTC resistance welding reliability |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |