GB2109638B - Printed circuit boards - Google Patents

Printed circuit boards

Info

Publication number
GB2109638B
GB2109638B GB08134033A GB8134033A GB2109638B GB 2109638 B GB2109638 B GB 2109638B GB 08134033 A GB08134033 A GB 08134033A GB 8134033 A GB8134033 A GB 8134033A GB 2109638 B GB2109638 B GB 2109638B
Authority
GB
United Kingdom
Prior art keywords
printed circuit
circuit boards
boards
printed
circuit
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
Application number
GB08134033A
Other versions
GB2109638A (en
Inventor
Chung Po Ho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GREENWOODS ELECTRONICS MANUFAC
Original Assignee
GREENWOODS ELECTRONICS MANUFAC
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 GREENWOODS ELECTRONICS MANUFAC filed Critical GREENWOODS ELECTRONICS MANUFAC
Priority to GB08134033A priority Critical patent/GB2109638B/en
Publication of GB2109638A publication Critical patent/GB2109638A/en
Application granted granted Critical
Publication of GB2109638B publication Critical patent/GB2109638B/en
Expired legal-status Critical Current

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
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/24—Reinforcing the conductive pattern
    • H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
    • 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
    • H05K2203/0703—Plating
    • H05K2203/0723—Electroplating, e.g. finish plating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
GB08134033A 1981-11-11 1981-11-11 Printed circuit boards Expired GB2109638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08134033A GB2109638B (en) 1981-11-11 1981-11-11 Printed circuit boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08134033A GB2109638B (en) 1981-11-11 1981-11-11 Printed circuit boards

Publications (2)

Publication Number Publication Date
GB2109638A GB2109638A (en) 1983-06-02
GB2109638B true GB2109638B (en) 1984-11-28

Family

ID=10525798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08134033A Expired GB2109638B (en) 1981-11-11 1981-11-11 Printed circuit boards

Country Status (1)

Country Link
GB (1) GB2109638B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8928640D0 (en) * 1989-12-19 1990-02-21 Technology Applic Company Limi Electrical conductors of conductive resin
JP2002167676A (en) * 2000-11-24 2002-06-11 Millenium Gate Technology Co Ltd Electroless gold plating method
CN102421255B (en) * 2011-08-08 2013-05-08 高德（无锡）电子有限公司 Processing method of electroplated lead applied to LED printed circuit board

Also Published As

Publication number Publication date
GB2109638A (en) 1983-06-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee