HK38887A - Printed circuit boards - Google Patents
Printed circuit boardsInfo
- Publication number
- HK38887A HK38887A HK38887A HK38887A HK38887A HK 38887 A HK38887 A HK 38887A HK 38887 A HK38887 A HK 38887A HK 38887 A HK38887 A HK 38887A HK 38887 A HK38887 A HK 38887A
- Authority
- HK
- Hong Kong
- Prior art keywords
- printed circuit
- circuit boards
- boards
- printed
- circuit
- Prior art date
Links
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
- H05K3/40—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
- H05K3/428—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 substrates having a metal pattern
-
- 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
- H05K2203/14—Related to the order of processing steps
- H05K2203/1423—Applying catalyst before etching, e.g. plating catalyst in holes before etching circuit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08210221A GB2118369B (en) | 1982-04-06 | 1982-04-06 | Making printed circuit boards |
Publications (1)
Publication Number | Publication Date |
---|---|
HK38887A true HK38887A (en) | 1987-05-22 |
Family
ID=10529564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK38887A HK38887A (en) | 1982-04-06 | 1987-05-14 | Printed circuit boards |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2118369B (en) |
HK (1) | HK38887A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142478A (en) * | 1983-07-01 | 1985-01-16 | Welwyn Electronics Ltd | Printed circuit boards |
JPH0834340B2 (en) * | 1988-12-09 | 1996-03-29 | 日立化成工業株式会社 | Wiring board and manufacturing method thereof |
US5358602A (en) * | 1993-12-06 | 1994-10-25 | Enthone-Omi Inc. | Method for manufacture of printed circuit boards |
US5799393A (en) * | 1994-11-09 | 1998-09-01 | Blaupunkt-Werke Gmbh | Method for producing a plated-through hole on a printed-circuit board |
US5620612A (en) * | 1995-08-22 | 1997-04-15 | Macdermid, Incorporated | Method for the manufacture of printed circuit boards |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3143484A (en) * | 1959-12-29 | 1964-08-04 | Gen Electric | Method of making plated circuit boards |
GB964557A (en) * | 1962-07-02 | 1964-07-22 | Marconi Co Ltd | Improvements in or relating to printed circuits and methods of manufacturing the same |
GB1174043A (en) * | 1966-03-01 | 1969-12-10 | British Aircraft Corp Ltd | Improvements relating to the manufacture of Printed Circuits |
FR1534709A (en) * | 1967-01-20 | 1968-08-02 | Philips Eclairage Radio | Method of manufacturing printed circuits with metallized holes |
FR2128355A1 (en) * | 1971-03-01 | 1972-10-20 | Fernseh Gmbh | |
GB1396481A (en) * | 1973-02-15 | 1975-06-04 | Matsushita Electric Ind Co Ltd | Manufacture of printed circuit boards |
-
1982
- 1982-04-06 GB GB08210221A patent/GB2118369B/en not_active Expired
-
1987
- 1987-05-14 HK HK38887A patent/HK38887A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2118369A (en) | 1983-10-26 |
GB2118369B (en) | 1986-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |