KR100610762B1 - 패턴 형성 방법 - Google Patents
패턴 형성 방법 Download PDFInfo
- Publication number
- KR100610762B1 KR100610762B1 KR1020040041436A KR20040041436A KR100610762B1 KR 100610762 B1 KR100610762 B1 KR 100610762B1 KR 1020040041436 A KR1020040041436 A KR 1020040041436A KR 20040041436 A KR20040041436 A KR 20040041436A KR 100610762 B1 KR100610762 B1 KR 100610762B1
- Authority
- KR
- South Korea
- Prior art keywords
- organic polymer
- polymer film
- silicon
- film
- organic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2022—Multi-step exposure, e.g. hybrid; backside exposure; blanket exposure, e.g. for image reversal; edge exposure, e.g. for edge bead removal; corrective exposure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
- H01L21/18—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 the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-etching
-
- 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
- H01L21/18—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 the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0752—Silicon-containing compounds in non photosensitive layers or as additives, e.g. for dry lithography
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Abstract
Description
Claims (23)
- 하부층이 형성된 기판 상에 제 1 유기 폴리머막(first organic polymer layer)을 형성하는 단계;상기 제 1 유기 폴리머막 상에 상기 제 1 유기 폴리머막이 노출된 오프닝을 가지는 제 2 유기 폴리머막(second organic polymer layer)을 형성하는 단계;상기 오프닝을 덮는 실리콘 함유 폴리머막(silicon containing polymer layer)을 형성하는 단계;산소 플라즈마를 이용하여 상기 실리콘 함유 폴리머막을 산화시킴과 동시에 상기 제 2 유기 폴리머막 및 상기 제 1 유기 폴리머막을 이방성 에슁하는 단계; 및상기 실리콘 함유 폴리머막 및 상기 제 1 유기 폴리머막을 식각마스크로 사용하여 상기 하부층을 식각하는 단계를 포함하는 패턴 형성 방법.
- 제 1 항에 있어서,상기 제 2 유기 폴리머막은 감광성 유기막인 것을 특징으로 하는 패턴 형성 방법.
- 제 1 항에 있어서,상기 실리콘 함유 폴리머막은 상기 제 2 유기 폴리머막보다 얇은 두께로 도포하는 것을 특징으로 하는 패턴 형성 방법.
- 제 1 항에 있어서,상기 실리콘 함유 폴리머막을 형성하는 단계는,상기 오프닝 및 상기 제 2 유기 폴리머막을 덮는 실리콘 함유 폴리머막을 도포하는 단계;및상기 실리콘 함유 폴리머막을 에치백하여 상기 제 2 유기 폴리머막을 노출시키는 단계를 포함하는 것을 특징으로 하는 패턴 형성 방법.
- 제 4 항에 있어서,상기 실리콘 함유 폴리머막은 플루오르카본계 플라즈마로 에치백하는 것을 특징으로 하는 패턴 형성 방법.
- 제 1 항에 있어서,상기 제 1 유기 폴리머막 및 상기 제 2 유기 폴리머막을 에슁하는 단계에서,불활성 가스 플라즈마 또는 질소 플라즈마를 더 부가하는 것을 특징으로 하는 패턴 형성 방법.
- 제 1 항에 있어서,상기 제 2 유기 폴리머막은 상기 제 1 유기 폴리머막보다 얇은 것을 특징으로 하는 패턴 형성 방법.
- 하부층이 형성된 기판 상에 제 1 유기 폴리머막 및 감광성 제 2 유기 폴리머막을 차례로 도포하는 단계;사진식각공정을 적용하여 상기 제 2 유기 폴리머막을 패터닝하여 상기 제 1 유기 폴리머막이 노출된 오프닝을 갖는 제 2 유기 폴리머 패턴을 형성하는 단계;상기 제 2 유기 폴리머 패턴 및 상기 오프닝을 덮는 실리콘 함유 폴리머막을 도포하는 단계;상기 실리콘 함유 폴리머막을 에치백하여 상기 제 1 유기 폴리머막을 덮고 상기 제 2 유기 폴리머 패턴을 노출시키는 단계;산소 플라즈마를 이용하여 상기 실리콘 함유 폴리머막을 경화시킴과 동시에 상기 제 2 유기 폴리머 패턴 및 상기 제 1 유기 폴리머막을 이방성 에슁하는 단계;및상기 실리콘 함유 폴리머막 및 상기 제 1 유기 폴리머막을 식각마스크로 사용하여 상기 하부층을 식각하는 단계를 포함하는 패턴 형성 방법.
- 제 10 항에 있어서,상기 제 1 유기 폴리머막은 비감광성 유기 폴리머막이고,상기 제 2 유기 폴리머막은 감광성 유기 폴리머막인 것을 특징으로 하는 패턴 형성 방법.
- 제 10 항에 있어서,상기 제 1 유기막 및 상기 제 2 유기막은 감광성 유기 폴리머막인 것을 특징으로 하는 패턴 형성 방법.
- 제 10 항에 있어서,상기 실리콘 함유 폴리머막은 플루오르카본계 플라즈마를 이용하여 에치백 하는 것을 특징으로 하는 패턴 형성 방법.
- 제 10 항에 있어서,상기 제 2 유기 폴리머 패턴 및 상기 제 1 유기 폴리머막을 이방성 에슁하는 단계에서,불활성 가스 플라즈마 또는 질소 플라즈마를 더 부가하는 것을 특징으로 하는 패턴 형성 방법.
- 제 10 항에 있어서,상기 제 2 유기 폴리머막은 상기 제 1 유기 폴리머막보다 얇게 형성하는 것을 특징으로 하는 패턴 형성 방법.
- 하부층이 형성된 기판 상에 제 1 유기 폴리머막 및 감광성 제 2 유기 폴리머막을 차례로 도포하는 단계;사진식각공정을 적용하여 상기 제 2 유기 폴리머막을 패터닝하여 상기 제 1 유기 폴리머막이 노출된 오프닝을 갖는 제 2 유기 폴리머 패턴을 형성하는 단계;상기 오프닝을 덮는 실리콘 함유 폴리머막을 상기 제 2 유기 폴리머 패턴보 다 얇게 도포하는 단계;상기 실리콘 함유 폴리머막을 에치백하여 상기 제 1 유기 폴리머막을 덮고 상기 제 2 유기 폴리머 패턴을 노출시키는 단계;산소 플라즈마를 이용하여 상기 실리콘 함유 폴리머막을 경화시킴과 동시에 상기 제 2 유기 폴리머 패턴 및 상기 제 1 유기 폴리머막을 이방성 에슁하는 단계;및상기 실리콘 함유 폴리머막 및 상기 제 1 유기 폴리머막을 식각마스크로 사용하여 상기 하부층을 식각하는 단계를 포함하는 패턴 형성 방법.
- 제 18 항에 있어서,상기 제 1 유기 폴리머막은 비감광성 유기 폴리머막이고,상기 제 2 유기 폴리머막은 감광성 유기 폴리머막인 것을 특징으로 하는 패턴 형성 방법.
- 제 18 항에 있어서,상기 제 1 유기막 및 상기 제 2 유기막은 감광성 유기 폴리머막인 것을 특징으로 하는 패턴 형성 방법.
- 제 18 항에 있어서,상기 제 2 유기 폴리머 패턴 및 상기 제 1 유기 폴리머막을 이방성 에슁하는 단계에서,불활성 가스 플라즈마 또는 질소 플라즈마를 더 부가하는 것을 특징으로 하 는 패턴 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040041436A KR100610762B1 (ko) | 2004-06-07 | 2004-06-07 | 패턴 형성 방법 |
US11/145,535 US7575855B2 (en) | 2004-06-07 | 2005-06-03 | Method of forming pattern |
US12/511,538 US7842451B2 (en) | 2004-06-07 | 2009-07-29 | Method of forming pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040041436A KR100610762B1 (ko) | 2004-06-07 | 2004-06-07 | 패턴 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050116281A KR20050116281A (ko) | 2005-12-12 |
KR100610762B1 true KR100610762B1 (ko) | 2006-08-08 |
Family
ID=35480987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040041436A Expired - Fee Related KR100610762B1 (ko) | 2004-06-07 | 2004-06-07 | 패턴 형성 방법 |
Country Status (2)
Country | Link |
---|---|
US (2) | US7575855B2 (ko) |
KR (1) | KR100610762B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8048810B2 (en) * | 2010-01-29 | 2011-11-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for metal gate N/P patterning |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5457003A (en) | 1990-07-06 | 1995-10-10 | Nippon Telegraph And Telephone Corporation | Negative working resist material, method for the production of the same and process of forming resist patterns using the same |
JPH07135140A (ja) | 1993-06-25 | 1995-05-23 | Kawasaki Steel Corp | レジストパターン形成方法 |
JPH07104483A (ja) | 1993-10-05 | 1995-04-21 | Hitachi Ltd | パターンの形成方法 |
US6358675B1 (en) | 1998-10-02 | 2002-03-19 | 3M Innovative Properties Company | Silicon-containing alcohols and polymers having silicon-containing tertiary ester groups made therefrom |
KR20010011765A (ko) | 1999-07-30 | 2001-02-15 | 김영환 | 레지스트 수지 및 이 수지를 이용한 포토레지스트 패턴의 형성방법 |
JP3874989B2 (ja) | 2000-03-21 | 2007-01-31 | シャープ株式会社 | パターンの形成方法 |
JP4095763B2 (ja) | 2000-09-06 | 2008-06-04 | 株式会社ルネサステクノロジ | 半導体装置及びその製造方法 |
-
2004
- 2004-06-07 KR KR1020040041436A patent/KR100610762B1/ko not_active Expired - Fee Related
-
2005
- 2005-06-03 US US11/145,535 patent/US7575855B2/en active Active
-
2009
- 2009-07-29 US US12/511,538 patent/US7842451B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7575855B2 (en) | 2009-08-18 |
KR20050116281A (ko) | 2005-12-12 |
US20050282092A1 (en) | 2005-12-22 |
US20090291561A1 (en) | 2009-11-26 |
US7842451B2 (en) | 2010-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7354847B2 (en) | Method of trimming technology | |
US7846843B2 (en) | Method for manufacturing a semiconductor device using a spacer as an etch mask for forming a fine pattern | |
KR100479600B1 (ko) | 콘택 형성 방법 | |
US8268535B2 (en) | Pattern formation method | |
US6509137B1 (en) | Multilayer photoresist process in photolithography | |
KR101096194B1 (ko) | 반도체 소자의 패턴 형성 방법 | |
US5922516A (en) | Bi-layer silylation process | |
KR100843899B1 (ko) | 반도체 소자의 제조방법 | |
CN111640657B (zh) | 半导体器件及其形成方法 | |
KR100610762B1 (ko) | 패턴 형성 방법 | |
KR19980028362A (ko) | 반도체소자의 미세 패턴 제조방법 | |
US6686129B2 (en) | Partial photoresist etching | |
KR100598103B1 (ko) | 패턴 형성 방법 | |
KR100827488B1 (ko) | 반도체 소자의 금속 배선 패턴 형성 방법 | |
KR950004977B1 (ko) | 반도체 소자의 감광막 미세 패턴 형성방법 | |
JP2010118501A (ja) | 半導体装置の製造方法 | |
KR20030050172A (ko) | 반도체 소자의 감광막 패턴 형성 방법 | |
KR100369866B1 (ko) | 반도체소자의미세콘택홀형성방법 | |
KR100623613B1 (ko) | 단차를 갖는 포토마스크 제작방법 | |
KR20090118663A (ko) | 반도체 소자의 패턴 형성방법 | |
KR100567874B1 (ko) | 반도체 소자의 패터닝 방법 | |
KR960000232B1 (ko) | 반도체 소자의 게이트패턴 형성방법 | |
KR20080020186A (ko) | 반도체 소자의 미세 패턴 형성 방법 | |
KR20090044820A (ko) | 반도체 소자의 제조방법 | |
KR20080092154A (ko) | 반도체 소자의 미세 패턴 형성방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20040607 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20060123 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20060512 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20060802 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20060803 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20090714 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20100729 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20110729 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20120801 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20120801 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130731 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20130731 Start annual number: 8 End annual number: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140731 Year of fee payment: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20140731 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20160801 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20160801 Start annual number: 11 End annual number: 11 |
|
FPAY | Annual fee payment |
Payment date: 20180731 Year of fee payment: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20180731 Start annual number: 13 End annual number: 13 |
|
FPAY | Annual fee payment |
Payment date: 20190731 Year of fee payment: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20190731 Start annual number: 14 End annual number: 14 |
|
PR1001 | Payment of annual fee |
Payment date: 20210728 Start annual number: 16 End annual number: 16 |
|
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20240513 |