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.:

US 8736823 B1

PDF
Full Text
Expired
Date of Patent:
May. 27, 2014

Filed:

Mar. 05, 2013
Applicant:

Paul L. Pfaff, Lake Oswego, OR (US);

Inventor:

Paul L. Pfaff, Lake Oswego, OR (US);

Assignee:

Attofemto, Inc., Lake Oswego, OR (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01L 1/24 (2006.01); G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Analysis and characterization of semiconductor and free-metal devices using a plurality of 'live' and stored interference patterns or data detected to determine or generate two-dimensional or three-dimensional information of at least one internal stress or signal, or determining the effects thereof of internal or external stresses acting upon or within the electrical signals applied to a device under test or evaluation having exterior surfaces, interior structures, electronic features as well as determining the effects thereof of chemicals, bioelectric materials, or substances, placed adjacent to the surface of the devices under test.


Find Patent Forward Citations

Pfaff, Paul. (2014). Methods and processes for optical interferometric or holographic test in the development, evaluation, and manufacture of semiconductor and free-metal devices utilizing anisotropic and isotropic materials (U.S. Patent No. 8736823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8736823

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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