GB2224164B - An improved circuit board - Google Patents

An improved circuit board

Info

Publication number
GB2224164B
GB2224164B GB8922696A GB8922696A GB2224164B GB 2224164 B GB2224164 B GB 2224164B GB 8922696 A GB8922696 A GB 8922696A GB 8922696 A GB8922696 A GB 8922696A GB 2224164 B GB2224164 B GB 2224164B
Authority
GB
United Kingdom
Prior art keywords
circuit board
improved circuit
improved
board
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 - Lifetime
Application number
GB8922696A
Other versions
GB8922696D0 (en
GB2224164A (en
Inventor
Howard Lawrence
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Publication of GB8922696D0 publication Critical patent/GB8922696D0/en
Publication of GB2224164A publication Critical patent/GB2224164A/en
Application granted granted Critical
Publication of GB2224164B publication Critical patent/GB2224164B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/0287—Programmable, customizable or modifiable circuits having an universal lay-out, e.g. pad or land grid patterns or mesh patterns
    • 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
    • H05K2201/09609—Via grid, i.e. two-dimensional array of vias or holes in a single plane
    • 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
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10621—Components characterised by their electrical contacts
    • H05K2201/10689—Leaded Integrated Circuit [IC] package, e.g. dual-in-line [DIL]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
GB8922696A 1988-10-11 1989-10-09 An improved circuit board Expired - Lifetime GB2224164B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888823770A GB8823770D0 (en) 1988-10-11 1988-10-11 Improved circuit board

Publications (3)

Publication Number Publication Date
GB8922696D0 GB8922696D0 (en) 1989-11-22
GB2224164A GB2224164A (en) 1990-04-25
GB2224164B true GB2224164B (en) 1992-08-12

Family

ID=10644984

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888823770A Pending GB8823770D0 (en) 1988-10-11 1988-10-11 Improved circuit board
GB8922696A Expired - Lifetime GB2224164B (en) 1988-10-11 1989-10-09 An improved circuit board

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888823770A Pending GB8823770D0 (en) 1988-10-11 1988-10-11 Improved circuit board

Country Status (1)

Country Link
GB (2) GB8823770D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0423433A1 (en) * 1989-09-28 1991-04-24 International Business Machines Corporation Method and apparatus for bonding component leads to pads located on a non-rigid substrate
GB9211303D0 (en) * 1992-05-28 1992-07-15 Bicc Plc An improved backplane

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408203A (en) * 1972-09-19 1975-10-01 British American Tobacco Co Printed circuit cards
GB1561567A (en) * 1977-03-15 1980-02-27 Pedersen I O Printed circuit board
US4330684A (en) * 1977-12-27 1982-05-18 Hayward C Michael Matrix board
GB2092830A (en) * 1981-02-09 1982-08-18 Int Computers Ltd Multilayer Printed Circuit Board
US4524240A (en) * 1983-08-17 1985-06-18 Lucasfilm Ltd. Universal circuit prototyping board
EP0145549A2 (en) * 1983-11-15 1985-06-19 Thomson-Csf Printed circuit board with marks
US4583150A (en) * 1983-01-21 1986-04-15 Methode Electronics, Inc. Printed circuit boards
GB2216727A (en) * 1988-02-19 1989-10-11 Bicc Plc An improved circuit board

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408203A (en) * 1972-09-19 1975-10-01 British American Tobacco Co Printed circuit cards
GB1561567A (en) * 1977-03-15 1980-02-27 Pedersen I O Printed circuit board
US4330684A (en) * 1977-12-27 1982-05-18 Hayward C Michael Matrix board
GB2092830A (en) * 1981-02-09 1982-08-18 Int Computers Ltd Multilayer Printed Circuit Board
US4583150A (en) * 1983-01-21 1986-04-15 Methode Electronics, Inc. Printed circuit boards
US4524240A (en) * 1983-08-17 1985-06-18 Lucasfilm Ltd. Universal circuit prototyping board
EP0145549A2 (en) * 1983-11-15 1985-06-19 Thomson-Csf Printed circuit board with marks
GB2216727A (en) * 1988-02-19 1989-10-11 Bicc Plc An improved circuit board

Also Published As

Publication number Publication date
GB8922696D0 (en) 1989-11-22
GB2224164A (en) 1990-04-25
GB8823770D0 (en) 1988-11-16

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Legal Events

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

Effective date: 19931009