KR101236797B1 - 반도체 패키지 제조 방법 - Google Patents
반도체 패키지 제조 방법 Download PDFInfo
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- KR101236797B1 KR101236797B1 KR1020110096667A KR20110096667A KR101236797B1 KR 101236797 B1 KR101236797 B1 KR 101236797B1 KR 1020110096667 A KR1020110096667 A KR 1020110096667A KR 20110096667 A KR20110096667 A KR 20110096667A KR 101236797 B1 KR101236797 B1 KR 101236797B1
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- semiconductor chip
- underfill material
- protective film
- substrate
- temporary protective
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 229920002120 photoresistant polymer Polymers 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 238000005429 filling process Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 2
- 229910000679 solder Inorganic materials 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 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
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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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
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/2612—Auxiliary members for layer connectors, e.g. spacers
- H01L2224/26152—Auxiliary members for layer connectors, e.g. spacers being formed on an item to be connected not being a semiconductor or solid-state body
- H01L2224/26175—Flow barriers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/91—Methods for connecting semiconductor or solid state bodies including different methods provided for in two or more of groups H01L2224/80 - H01L2224/90
- H01L2224/92—Specific sequence of method steps
- H01L2224/921—Connecting a surface with connectors of different types
- H01L2224/9212—Sequential connecting processes
- H01L2224/92122—Sequential connecting processes the first connecting process involving a bump connector
- H01L2224/92125—Sequential connecting processes the first connecting process involving a bump connector the second connecting process involving a layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/73—Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1532—Connection portion the connection portion being formed on the die mounting surface of the substrate
- H01L2924/1533—Connection portion the connection portion being formed on the die mounting surface of the substrate the connection portion being formed both on the die mounting surface of the substrate and outside the die mounting surface of the substrate
- H01L2924/15331—Connection portion the connection portion being formed on the die mounting surface of the substrate the connection portion being formed both on the die mounting surface of the substrate and outside the die mounting surface of the substrate being a ball array, e.g. BGA
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
- H01L2924/1815—Shape
- H01L2924/1816—Exposing the passive side of the semiconductor or solid-state body
- H01L2924/18161—Exposing the passive side of the semiconductor or solid-state body of a flip chip
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
즉, 본 발명은 기판의 전도성패드에 전도성 연결단자를 매개로 반도체 칩을 적층하는 반도체 패키지에 있어서, 반도체 칩의 백면에 미리 임시 보호막을 코팅한 후, 언더필 재료의 충진 공정이 완료된 후, 임시 보호막을 제거해줌으로써, 언더필 재료에 의한 반도체 칩의 백면이 오염되는 현상을 용이하게 방지할 수 있도록 한 반도체 패키지 제조 방법을 제공하고자 한 것이다.
Description
도 2 및 도 3은 종래의 반도체 패키지 및 그 제조 방법을 설명하는 단면도.
12 : 전도성패드
14 : 상부 볼랜드
16 : 하부 볼랜드
18 : 솔더레지스트 댐
20 : 반도체 칩
22 : 전도성 연결단자
24 : 언더필 재료
30 : 상부 패키지
32, 34 : 솔더볼
40 : 임시 보호막
Claims (4)
- 삭제
- 반도체 칩(20)의 상면(백면)에 네가티브 포토레지스트인 임시 보호막(40)을 코팅하는 단계와;
반도체 칩(20)의 저면에 형성된 본딩패드와 기판(10)의 전도성패드(12) 간을 전도성 연결단자(22)로 연결하여, 기판(10)에 대하여 반도체 칩(20)을 전기적으로 부착하는 단계와;
반도체 칩(20)과 기판(10) 간의 사이공간에 언더필 재료(24)를 충진하는 단계와;
반도체 칩(20)의 백면에 코팅된 네가티브 포토레지스트인 임시 보호막(40)을 제거하되, 자외선 조사수단에 의하여 녹으면서 제거되도록 한 단계;
를 통하여, 언더필 재료(24)를 충진하는 단계시 임시 보호막(40)의 상면까지 올라와 묻은 언더필 재료(24)가 임시 보호막(40)과 함께 제거될 수 있도록 한 것을 특징으로 하는 반도체 패키지 제조 방법.
- 청구항 2에 있어서,
상기 임시 보호막(40) 제거 단계시 자외선 조사수단에 의하여 녹은 네가티브 포토레지스트를 워터 크리닝하는 세척 단계가 더 진행되는 것을 특징으로 하는 반도체 패키지 제조 방법.
- 청구항 2에 있어서,
상기 임시 보호막(40)은 열적으로 일정 온도에서 분해되는 재료로서, 폴리올레핀 구조를 베이스로 하는 고분자 재료로 채택된 것임을 특징으로 하는 반도체 패키지 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110096667A KR101236797B1 (ko) | 2011-09-26 | 2011-09-26 | 반도체 패키지 제조 방법 |
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Application Number | Priority Date | Filing Date | Title |
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KR1020110096667A KR101236797B1 (ko) | 2011-09-26 | 2011-09-26 | 반도체 패키지 제조 방법 |
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Publication Number | Publication Date |
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KR101236797B1 true KR101236797B1 (ko) | 2013-02-25 |
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KR1020110096667A Active KR101236797B1 (ko) | 2011-09-26 | 2011-09-26 | 반도체 패키지 제조 방법 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108321129A (zh) * | 2018-03-30 | 2018-07-24 | 深圳赛意法微电子有限公司 | 功率器件的封装方法及其封装模块、引线框架 |
WO2018144655A1 (en) * | 2017-01-31 | 2018-08-09 | Skyworks Solutions, Inc. | Control of under-fill for a dual-sided ball grid array package |
KR20210093594A (ko) | 2020-01-20 | 2021-07-28 | 스테코 주식회사 | 칩 온 필름 패키지의 제조 방법 |
KR20210093595A (ko) | 2020-01-20 | 2021-07-28 | 스테코 주식회사 | 표면 개질 장치 및 이를 갖는 반도체 패키지 제조 장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005093829A1 (en) * | 2004-03-16 | 2005-10-06 | Infineon Technologies Ag | Semiconductor package having an interfacial adhesive layer |
-
2011
- 2011-09-26 KR KR1020110096667A patent/KR101236797B1/ko active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005093829A1 (en) * | 2004-03-16 | 2005-10-06 | Infineon Technologies Ag | Semiconductor package having an interfacial adhesive layer |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018144655A1 (en) * | 2017-01-31 | 2018-08-09 | Skyworks Solutions, Inc. | Control of under-fill for a dual-sided ball grid array package |
US10410885B2 (en) | 2017-01-31 | 2019-09-10 | Skyworks Solutions, Inc. | Control of under-fill using under-fill deflash for a dual-sided ball grid array package |
US10460957B2 (en) | 2017-01-31 | 2019-10-29 | Skyworks Solutions, Inc. | Control of under-fill using an encapsulant for a dual-sided ball grid array package |
US10593565B2 (en) | 2017-01-31 | 2020-03-17 | Skyworks Solutions, Inc. | Control of under-fill with a packaging substrate having an integrated trench for a dual-sided ball grid array package |
US11201066B2 (en) | 2017-01-31 | 2021-12-14 | Skyworks Solutions, Inc. | Control of under-fill using a dam on a packaging substrate for a dual-sided ball grid array package |
CN108321129A (zh) * | 2018-03-30 | 2018-07-24 | 深圳赛意法微电子有限公司 | 功率器件的封装方法及其封装模块、引线框架 |
KR20210093594A (ko) | 2020-01-20 | 2021-07-28 | 스테코 주식회사 | 칩 온 필름 패키지의 제조 방법 |
KR20210093595A (ko) | 2020-01-20 | 2021-07-28 | 스테코 주식회사 | 표면 개질 장치 및 이를 갖는 반도체 패키지 제조 장치 |
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