HK38887A - Printed circuit boards - Google Patents

Printed circuit boards

Info

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
Application number
HK38887A
Inventor
Haruo Nishihara
Yoshiaki Suzuki
Original Assignee
Kanto Kasei Company Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kanto Kasei Company Ltd filed Critical Kanto Kasei Company Ltd
Publication of HK38887A publication Critical patent/HK38887A/en

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)
HK38887A 1982-04-06 1987-05-14 Printed circuit boards HK38887A (en)

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)

* Cited by examiner, † Cited by third party
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
JPH09507969A (en) * 1994-11-09 1997-08-12 ブラウプンクト−ヴェルケ ゲゼルシャフト ミット ベシュレンクテル ハフツング Manufacturing method of feed-through part on conductor plate
US5620612A (en) * 1995-08-22 1997-04-15 Macdermid, Incorporated Method for the manufacture of printed circuit boards

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB2118369B (en) 1986-05-21
GB2118369A (en) 1983-10-26

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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)