Improvements in contact for direct receptionof printed circuit board

摘要

1,073,488. Di- and trichlorocyanuric acids. DYNAMIT NOBEL A.G. Aug. 17, 1964 [Aug. 17, 1963], No. 33603/64. Heading C1A. [Also in Division C2] Cyanuric acid is N-chlorinated to give N,N1,N11.trichloroisocyanuric acid or N,N1- dichloroisocyanuric acid by reaction with dichlorine oxide dissolved in carbon tetrachloride or chloroform.