Printed circuit board

Details Printed circuit board Printed circuit board

1986-11-10

1987-09-15

Kucia, R. R.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

228103, 2281802, 361409, H05K 334

Patent

active

046941215

ABSTRACT:
A printed circuit board having an electrically insulative substrate, an electroconductive layer formed on the electrically insulative substrate, and a resist layer formed on the electroconductive layer which has a row of openings whose distances between adjacent ones increase from one end to the other end of the row.

REFERENCES:
patent: 3887760 (1975-06-01), Kreiger et al.
patent: 4139881 (1979-02-01), Shimizu et al.
patent: 4339784 (1982-07-01), Shearer
patent: 4467638 (1984-08-01), Greenstein
patent: 4529116 (1985-07-01), Gutbier

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