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:
Sep. 30, 2003
Filed:
Dec. 18, 2001
Applicant:
Inventors:
Tzong-Ming Lee, Hsinchu, TW;
Hsun-Tien Li, Hsinchu, TW;
Kai-Chi Chen, Nantou Hsien, TW;
Mei-Ling Chen, Miaoli Hsien, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/10 ; C08L 6/302 ;
U.S. Cl.
CPC ...
C08K 3/10 ; C08L 6/302 ;
Abstract
The present invention discloses a dielectric composition having two steps of laminating temperatures. The composition is comprised of: a diamine curing agent containing asymmetrical chemical structures with different reactivity; an epoxy resin compound, containing at least two epoxy groups; and inorganic powder. In addition, flame retardant and toughener are added dependent on the requirements.