GB1517235A - Printed circuit boards - Google Patents
Printed circuit boardsInfo
- Publication number
- GB1517235A GB1517235A GB28606/76A GB2860676A GB1517235A GB 1517235 A GB1517235 A GB 1517235A GB 28606/76 A GB28606/76 A GB 28606/76A GB 2860676 A GB2860676 A GB 2860676A GB 1517235 A GB1517235 A GB 1517235A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- copper
- areas
- photolacquer
- conductor paths
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 5
- 229910052802 copper Inorganic materials 0.000 abstract 4
- 239000010949 copper Substances 0.000 abstract 4
- 239000004020 conductor Substances 0.000 abstract 3
- 229910000679 solder Inorganic materials 0.000 abstract 3
- 239000011888 foil Substances 0.000 abstract 2
- 229910000881 Cu alloy Inorganic materials 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 238000004040 coloring Methods 0.000 abstract 1
- 239000011889 copper foil Substances 0.000 abstract 1
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 238000005530 etching Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 210000004185 liver Anatomy 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 238000002161 passivation Methods 0.000 abstract 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 abstract 1
- 229960002218 sodium chlorite Drugs 0.000 abstract 1
- 238000005476 soldering Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3452—Solder 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
- 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
- H05K3/062—Etching masks consisting of metals or alloys or metallic inorganic compounds
-
- 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
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0175—Inorganic, non-metallic layer, e.g. resist or dielectric for printed capacitor
-
- 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
- H05K2203/0502—Patterning and lithography
- H05K2203/0505—Double exposure of the same photosensitive layer
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3447—Lead-in-hole components
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3473—Plating of solder
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Metallurgy (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752541280 DE2541280A1 (de) | 1975-09-16 | 1975-09-16 | Verfahren zur herstellung einer gedruckten verdrahtung mit lotabweisenden teilbereichen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1517235A true GB1517235A (en) | 1978-07-12 |
Family
ID=5956607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28606/76A Expired GB1517235A (en) | 1975-09-16 | 1976-07-09 | Printed circuit boards |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4268349A (enExample) |
| JP (1) | JPS5236758A (enExample) |
| AT (1) | AT364017B (enExample) |
| BE (1) | BE846282A (enExample) |
| BR (1) | BR7605828A (enExample) |
| CA (1) | CA1051559A (enExample) |
| CH (1) | CH607545A5 (enExample) |
| DE (1) | DE2541280A1 (enExample) |
| FR (1) | FR2325269A1 (enExample) |
| GB (1) | GB1517235A (enExample) |
| IT (1) | IT1068137B (enExample) |
| NL (1) | NL7609577A (enExample) |
| SE (1) | SE7609871L (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2861486D1 (en) * | 1977-11-21 | 1982-02-18 | Ciba Geigy Ag | Process for the application of soldering masks to printed circuits with through holes for contacting |
| US4512829A (en) * | 1983-04-07 | 1985-04-23 | Satosen Co., Ltd. | Process for producing printed circuit boards |
| US4537799A (en) * | 1984-04-16 | 1985-08-27 | At&T Technologies, Inc. | Selective metallization process |
| GB9401869D0 (en) * | 1994-02-01 | 1994-03-30 | Heinze Dyconex Patente | Improvements in and relating to printed circuit boards |
| US8826852B2 (en) | 2010-04-12 | 2014-09-09 | Engineered Products And Services, Inc. | Optimized double washer pull plug for minimizing coating error |
| USD655998S1 (en) * | 2010-04-12 | 2012-03-20 | Engineered Products And Services, Inc. | Double washer pull plug |
| CN110856364A (zh) * | 2019-11-21 | 2020-02-28 | 珠海市凯诺微电子有限公司 | 一种用于制造软硬结合板的沉镀金方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443988A (en) * | 1965-05-06 | 1969-05-13 | Photocircuits Corp | Printed circuits,work holders and method of preventing electroless metal deposition |
| DE1812692A1 (de) * | 1968-12-04 | 1970-11-05 | Siemens Ag | Verfahren zur Herstellung von mit Leiterbahnen versehenen Schaltungsplatten |
| US3599326A (en) * | 1969-01-27 | 1971-08-17 | Philco Ford Corp | Method of forming electrical connections with solder resistant surfaces |
| US3610811A (en) * | 1969-06-02 | 1971-10-05 | Honeywell Inf Systems | Printed circuit board with solder resist gas escape ports |
| GB1310880A (en) * | 1969-06-13 | 1973-03-21 | Microponent Dev Ltd | Multi-layer printed circuit board assemblies |
| US3686625A (en) * | 1969-12-10 | 1972-08-22 | Molex Products Co | Solder resist |
| DE2140274A1 (de) * | 1971-08-11 | 1973-02-15 | Bbc Brown Boveri & Cie | Mittel und verfahren zur verhinderung des festhaftens von schweisspritzern |
| US3945826A (en) * | 1972-04-14 | 1976-03-23 | Howard Friedman | Method of chemical machining utilizing same coating of positive photoresist to etch and electroplate |
| US3990982A (en) * | 1974-12-18 | 1976-11-09 | Rbp Chemical Corporation | Composition for stripping lead-tin solder |
-
1975
- 1975-09-16 DE DE19752541280 patent/DE2541280A1/de not_active Withdrawn
-
1976
- 1976-06-17 CH CH774076A patent/CH607545A5/xx not_active IP Right Cessation
- 1976-07-09 GB GB28606/76A patent/GB1517235A/en not_active Expired
- 1976-08-12 AT AT0599576A patent/AT364017B/de not_active IP Right Cessation
- 1976-08-23 JP JP51100456A patent/JPS5236758A/ja active Pending
- 1976-08-27 NL NL7609577A patent/NL7609577A/xx not_active Application Discontinuation
- 1976-09-02 BR BR7605828A patent/BR7605828A/pt unknown
- 1976-09-07 SE SE7609871A patent/SE7609871L/xx unknown
- 1976-09-08 FR FR7626987A patent/FR2325269A1/fr active Granted
- 1976-09-10 IT IT27065/76A patent/IT1068137B/it active
- 1976-09-15 CA CA261,258A patent/CA1051559A/en not_active Expired
- 1976-09-15 US US05/723,582 patent/US4268349A/en not_active Expired - Lifetime
- 1976-09-16 BE BE170692A patent/BE846282A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5236758A (en) | 1977-03-22 |
| BR7605828A (pt) | 1977-08-16 |
| IT1068137B (it) | 1985-03-21 |
| BE846282A (fr) | 1977-01-17 |
| AT364017B (de) | 1981-09-25 |
| DE2541280A1 (de) | 1977-03-17 |
| CH607545A5 (enExample) | 1978-12-29 |
| CA1051559A (en) | 1979-03-27 |
| FR2325269A1 (fr) | 1977-04-15 |
| FR2325269B1 (enExample) | 1980-09-05 |
| NL7609577A (nl) | 1977-03-18 |
| SE7609871L (sv) | 1977-03-17 |
| US4268349A (en) | 1981-05-19 |
| ATA599576A (de) | 1981-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |