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:
Jan. 22, 2013
Filed:
Jan. 13, 2012
William Allan Lane, Cork, IE;
Andrew David Bain, Limerick, IE;
Derek Frederick Bowers, Los Altos Hills, CA (US);
Paul Malachy Daly, Limerick, IE;
Anne Maria Deignan, Limerick, IE;
Michael Thomas Dunbar, San Jose, CA (US);
Patrick Martin Mcguinness, Limerick, IE;
Bernard Patrick Stenson, Limerick, IE;
William Allan Lane, Cork, IE;
Andrew David Bain, Limerick, IE;
Derek Frederick Bowers, Los Altos Hills, CA (US);
Paul Malachy Daly, Limerick, IE;
Anne Maria Deignan, Limerick, IE;
Michael Thomas Dunbar, San Jose, CA (US);
Patrick Martin McGuinness, Limerick, IE;
Bernard Patrick Stenson, Limerick, IE;
Analog Devices, Inc., Norwood, MA (US);
Abstract
A bipolar transistor comprising an emitter region, a base region and a collector region, and a guard region spaced from and surrounding the base. The guard region can be formed in the same steps that form the base, and can serve to spread out the depletion layer in operation.