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.

Date of Patent:
Mar. 31, 2015

Filed:

Nov. 13, 2013
Applicant:

M/a-com Technology Solutions Holdings, Inc., Lowell, MA (US);

Inventors:

Jonathan Leckey, Annalong, IE;

Lyndon Pattison, Greenisland, IE;

Andrew Patterson, Lisburn, IE;

Timothy E. Boles, Tyngsboro, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/70 (2006.01); H01L 21/339 (2006.01); H01L 29/78 (2006.01); H01L 29/20 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78 (2013.01); H01L 29/2003 (2013.01); H01L 29/66477 (2013.01);
Abstract

An apparatus having an active device, a plurality of traces and one or more areas is disclosed. The active device may have a channel layer. A buffer layer is generally disposed between the channel layer and a substrate. A parasitic layer may be formed at an interface between the buffer layer and the substrate. The traces may be connected to the active device. The areas are generally proximate at least one of (i) the active device and (ii) at least two of the traces from which the parasitic layer is removed.


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