KR860003753A - 동스로우호올프린트 배선판의 제조방법 - Google Patents
동스로우호올프린트 배선판의 제조방법 Download PDFInfo
- Publication number
- KR860003753A KR860003753A KR1019850007484A KR850007484A KR860003753A KR 860003753 A KR860003753 A KR 860003753A KR 1019850007484 A KR1019850007484 A KR 1019850007484A KR 850007484 A KR850007484 A KR 850007484A KR 860003753 A KR860003753 A KR 860003753A
- Authority
- KR
- South Korea
- Prior art keywords
- copper
- circuit board
- printed circuit
- throw
- alkylimidazole compound
- Prior art date
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims 8
- 229910052802 copper Inorganic materials 0.000 title claims 8
- 239000010949 copper Substances 0.000 title claims 8
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 150000001875 compounds Chemical class 0.000 claims 4
- 239000007864 aqueous solution Substances 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 2
- LLEASVZEQBICSN-UHFFFAOYSA-N 2-undecyl-1h-imidazole Chemical compound CCCCCCCCCCCC1=NC=CN1 LLEASVZEQBICSN-UHFFFAOYSA-N 0.000 claims 1
- JQEVCCUJHLRAEY-UHFFFAOYSA-N 5-methyl-2-undecyl-1h-imidazole Chemical compound CCCCCCCCCCCC1=NC=C(C)N1 JQEVCCUJHLRAEY-UHFFFAOYSA-N 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 239000000411 inducer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/52—Treatment of copper or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/061—Etching masks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
- H05K2201/09581—Applying an insulating coating on the walls of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0562—Details of resist
- H05K2203/0582—Coating by resist, i.e. resist used as mask for application of insulating coating or of second resist
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0562—Details of resist
- H05K2203/0591—Organic non-polymeric coating, e.g. for inhibiting corrosion thereby preserving solderability
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
- H05K2203/0769—Dissolving insulating materials, e.g. coatings, not used for developing resist after exposure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
- H05K2203/0786—Using an aqueous solution, e.g. for cleaning or during drilling of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
- H05K2203/124—Heterocyclic organic compounds, e.g. azole, furan
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0094—Filling or covering plated through-holes or blind plated vias, e.g. for masking or for mechanical reinforcement
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/425—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern
- H05K3/427—Plated through-holes or plated via connections characterised by the sequence of steps for plating the through-holes or via connections in relation to the conductive pattern initial plating of through-holes in metal-clad substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (3)
- 알킬리 수용액에 가용성 레지스트잉크를 사용하여 동피복적층판 위에 필요한 페턴을 형성한 뒤 하기식으로 표시되는 알킬이미다졸 화합물의 염이 함유된 수용액에 상기판을 침지하여 이 동피복적층판의 동표면이 상기 알킬이미다졸 화합물로 이루어진 에칭레지스트 막을 형성하여 생성된 동피복적층판을 건조시키고 이어서 알카리성에칭액으로 처리하는 것을 특징으로 하는 동스로우호올프린트 배선판의 제조방법.(상기식에서 R2는 탄소수 5-21의 알킬기, R4는 수소원자 또는 메틸기, HA는 유도기 또는 무기산이다.)
- 제1항에 있어서, 알킬이미다졸 화합물이 2-운데실이미다졸인 것을 특징으로 하는 동스로우호올프린트 배선판의 제조방법.
- 제1항에 있어서, 알킬이미다졸 화합물이 2-운데실-4-메틸이미다졸인 것을 특징으로 하는 동스로우호울프린트 배선판의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59213304A JPS6190492A (ja) | 1984-10-11 | 1984-10-11 | 銅スル−ホ−ルプリント配線板の製造方法 |
JP84-213304 | 1984-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860003753A true KR860003753A (ko) | 1986-05-28 |
KR900001089B1 KR900001089B1 (ko) | 1990-02-26 |
Family
ID=16636908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850007484A KR900001089B1 (ko) | 1984-10-11 | 1985-10-11 | 동스로우호올프린트 배선판의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4622097A (ko) |
EP (1) | EP0178864B1 (ko) |
JP (1) | JPS6190492A (ko) |
KR (1) | KR900001089B1 (ko) |
CA (1) | CA1238559A (ko) |
DE (1) | DE3582390D1 (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6327091A (ja) * | 1986-07-18 | 1988-02-04 | 四国化成工業株式会社 | 銅スル−ホ−ルプリント配線板の製造方法 |
ATE96978T1 (de) * | 1988-08-25 | 1993-11-15 | Siemens Nixdorf Inf Syst | Verfahren zum herstellen von durchkontaktierten leiterplatten mit sehr kleinen oder keinen loetraendern um die durchkontaktierungsloecher. |
DE4039271A1 (de) * | 1990-12-08 | 1992-06-11 | Basf Ag | Verfahren zum schutz von kupfer- und kupferlegierungsoberlfaechen vor korrosion |
US5275694A (en) * | 1992-03-24 | 1994-01-04 | Sanwa Laboratory Ltd. | Process for production of copper through-hole printed wiring boards |
ATE128597T1 (de) * | 1992-11-23 | 1995-10-15 | Siemens Nixdorf Inf Syst | Verfahren zum herstellen von durchkontaktierten leiterplatten mit sehr kleinen oder keinen lötaugen. |
DE4239328C2 (de) * | 1992-11-23 | 1994-09-08 | Siemens Nixdorf Inf Syst | Verfahren zum Herstellen von durchkontaktierten Leiterplatten mit sehr kleinen oder keinen Lötaugen |
DE4311807C2 (de) * | 1993-04-03 | 1998-03-19 | Atotech Deutschland Gmbh | Verfahren zur Beschichtung von Metallen und Anwendung des Verfahrens in der Leiterplattentechnik |
JPH06287774A (ja) * | 1993-04-05 | 1994-10-11 | Metsuku Kk | 銅および銅合金の表面処理剤 |
EP0639043A1 (de) * | 1993-08-10 | 1995-02-15 | Siemens Nixdorf Informationssysteme AG | Verfahren zur Herstellung von durchkontaktierten Leiterplatten mit sehr kleinen Lötaugen |
US5376189A (en) * | 1993-11-08 | 1994-12-27 | Macdermid, Incorporated | Composition and process for treatment of metallic surfaces |
DE4339019A1 (de) * | 1993-11-10 | 1995-05-11 | Atotech Deutschland Gmbh | Verfahren zur Herstellung von Leiterplatten |
US5362334A (en) * | 1993-12-23 | 1994-11-08 | Macdermid, Incorporated | Composition and process for treatment of metallic surfaces |
JP4189609B2 (ja) * | 1997-01-31 | 2008-12-03 | テイラー,ジェームズ、エム. | サブストレート材料をプライミングする組成物及び方法 |
US6174561B1 (en) | 1998-01-30 | 2001-01-16 | James M. Taylor | Composition and method for priming substrate materials |
US6555170B2 (en) | 1998-01-30 | 2003-04-29 | Duratech Industries, Inc. | Pre-plate treating system |
DE19944908A1 (de) | 1999-09-10 | 2001-04-12 | Atotech Deutschland Gmbh | Verfahren zum Bilden eines Leitermusters auf dielektrischen Substraten |
JP3736607B2 (ja) * | 2000-01-21 | 2006-01-18 | セイコーエプソン株式会社 | 半導体装置及びその製造方法、回路基板並びに電子機器 |
JP4309602B2 (ja) * | 2001-04-25 | 2009-08-05 | メック株式会社 | 銅または銅合金と樹脂との接着性を向上させる方法、ならびに積層体 |
AT412094B (de) * | 2003-05-13 | 2004-09-27 | Austria Tech & System Tech | Verfahren zur beschichtung von rohlingen zur herstellung von gedruckten leiterplatten (pcb) |
JP5615227B2 (ja) | 2011-05-23 | 2014-10-29 | 四国化成工業株式会社 | 銅または銅合金の表面処理剤及びその利用 |
JP5615233B2 (ja) * | 2011-06-20 | 2014-10-29 | 四国化成工業株式会社 | 銅または銅合金の表面処理剤及びその利用 |
CN102595795A (zh) * | 2012-03-05 | 2012-07-18 | 同扬光电(江苏)有限公司 | 以纯铜板为基材制作双面柔性印刷线路板的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933531A (en) * | 1972-04-11 | 1976-01-20 | Natsuo Sawa | Method of rust-preventing for copper and copper alloy |
JPS5932915B2 (ja) * | 1981-07-25 | 1984-08-11 | 「弐」夫 甲斐 | スル−ホ−ルを有する配線基板製造方法 |
US4395294A (en) * | 1981-08-17 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Copper corrosion inhibitor |
US4529477A (en) * | 1983-05-02 | 1985-07-16 | Kollmorgen Technologies Corporation | Process for the manufacture of printed circuit boards |
-
1984
- 1984-10-11 JP JP59213304A patent/JPS6190492A/ja active Granted
-
1985
- 1985-10-07 US US06/784,751 patent/US4622097A/en not_active Expired - Lifetime
- 1985-10-10 CA CA000492678A patent/CA1238559A/en not_active Expired
- 1985-10-11 EP EP85307304A patent/EP0178864B1/en not_active Expired - Lifetime
- 1985-10-11 KR KR1019850007484A patent/KR900001089B1/ko not_active IP Right Cessation
- 1985-10-11 DE DE8585307304T patent/DE3582390D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0178864A3 (en) | 1987-09-30 |
EP0178864A2 (en) | 1986-04-23 |
JPS641954B2 (ko) | 1989-01-13 |
KR900001089B1 (ko) | 1990-02-26 |
JPS6190492A (ja) | 1986-05-08 |
US4622097A (en) | 1986-11-11 |
EP0178864B1 (en) | 1991-04-03 |
CA1238559A (en) | 1988-06-28 |
DE3582390D1 (de) | 1991-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR860003753A (ko) | 동스로우호올프린트 배선판의 제조방법 | |
KR860008702A (ko) | 땜납 도금회로와 관통공을 갖는 인쇄회로판의 제조 방법 | |
KR850001658A (ko) | 인쇄 배선판 | |
DE3751323D1 (de) | Gedruckte Leiterplatten eingerichtet zur Verhinderung elektromagnetischer Interferenz. | |
ES8706332A1 (es) | Un procedimiento para la preparacion de resina de novolaca fenolica modificada | |
KR900001881A (ko) | 치환된 아미노벤즈알데히드를 함유한 과산화수소 조성물 및 그것으로 인쇄배선판을 제조하는 방법. | |
KR890003819A (ko) | 살리실산수지 다가금속화물의 제조방법 | |
KR900004960A (ko) | 구리 또는 구리합금 표면상의 전환피막 형성방법 | |
KR870002482A (ko) | 광경화 감광성 내식막층의 박리방법 | |
KR900005860A (ko) | 다층 인쇄된 배선반의 제조방법 | |
KR910003148A (ko) | 치환 옥시벤젠 화합물 함유 과산화수소 조성물 및 그것으로 인쇄 배선판을 제조하는 방법 | |
KR950024971A (ko) | 산화구리용 화학적 환원액 | |
KR900003676A (ko) | 포지티브 작용 포토레지스트용 현상수용액 | |
KR880002413A (ko) | 프린트배선판의 제조방법 | |
US3287191A (en) | Etching of printed circuit components | |
GB1396481A (en) | Manufacture of printed circuit boards | |
US5275694A (en) | Process for production of copper through-hole printed wiring boards | |
GB1134632A (en) | Improvements in or relating to the production of printed circuits | |
US4520052A (en) | Method for electroless copper-plating and a bath for carrying out the method | |
KR830005811A (ko) | 인쇄 회로용 구리박판 및 그의 제조방법 | |
KR930019405A (ko) | 구리 천공 인쇄 배선판의 제조방법 | |
KR920011299A (ko) | 프린트 기판의 제조방법 | |
KR860002421A (ko) | 2가(價) 3가 철염(鐵鹽)배합물 및 그 제조법 | |
JPS6489588A (en) | Manufacture of pc board | |
GB1247908A (en) | Copperplating process and agents for use in this process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19940121 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |