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:
Apr. 20, 2021
Filed:
Feb. 13, 2018
International Business Machines Corporation, Armonk, NY (US);
Joseph Kuczynski, North Port, FL (US);
Jason T. Wertz, Pleasant Valley, NY (US);
Bruce J. Chamberlin, Vestal, NY (US);
Sarah K. Czaplewski-Campbell, Rochester, MN (US);
Jing Zhang, Poughkeepsie, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
According to one aspect, a glass-free pre-impregnated material includes a polybenzimidazole (PBI) sheet and a partially cured resin encapsulating the PBI sheet. According to another aspect, a process of forming a glass-free pre-impregnated material includes encapsulating a PBI sheet within a resin and partially curing the resin to form the glass-free pre-impregnated material. According to yet another aspect, a printed circuit board comprises a glass-free dielectric layer that includes a PBI sheet encapsulated within a cured resin.