Acc.#1998.0191 Danko - page 11 AC#667

Image of selective soldering
UNCLASSIFIED

SELECTIVE SOLDERING. (Experimental)
Solder Resist as Applied to Pre-Fabricated Conductive Patterns

Group Overall View. Showing Process Steps.

August 30, 1951 Signal Corps Engineering Laboratories, image#32777

COMMENT:
This image was taken by the Signal Corps and appears as if the actual circuit boards were laid upon prepared text paper then photographed.


Introduction  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17 




National Museum of American History

HomeSearchChip TalkChip FunPatentsPeoplePicturesCreditsCopyrightComments