The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1987
Filed:
Jun. 17, 1985
Applicant:
Inventor:
Hugues Baudry, Varennes-Jarcy, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 96 ; 106 19 ; 106 20 ; 106 26 ; 106290 ; 106296 ; 106297 ; 4273881 ;
Abstract
The invention relates to starting mixtures for an insulating composition comprising (a) a from about 70 to 80% by volume of vitreous phase comprising Al.sub.2 O.sub.3, SiO.sub.2, B.sub.2 O.sub.3, PbO, ZnO, CaO, and CuO and (b) from about 30 to 20% by volume of at least one oxide of lead having an oxidation degree of at least two, in powder form. The starting mixtures are useful in silk-screening inks for hybrid microcircuits.