Title: Method of making printed circuit board

Abstract: A double-sided printed circuit board is described with a method for providing selective connection between conductors on the two faces of the board without the use of wire links or bridges. The board carries a plurality of plated-through holes arranged to provide all of the inter-connections which may be required in various combinations in a range of applications. When the actual combination required in a particular application is determined, those inter-connections which are not required are broken by removing part of the plating.

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Inventors: Nicholson, Albert W. (Clifton, GB)

Application Number: 792472
Filing Date: 1977-04-29
Publication_date: 1979-02-13
Assignee: National Research Development Corporation (London, GB2)
Primary Class(es): 29/847 174/266
Other Classes:
US Patent Ref:

3102213	Aug, 1963	Bedson et al.	29/625.
3163588	Dec, 1964	Shortt et al.	29/625.
3571923	Mar, 1971	Shaheen	29/625.
4017968	Apr, 1977	Weglin	29/625.

Other Refs:
Primary Examiner: DiPalma, Victor A.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman