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:
Feb. 28, 2023
Filed:
Jun. 29, 2020
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Chengxi Liu, Austin, TX (US);
Roy Hastings, Allen, TX (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/08 (2006.01); H01C 17/232 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0802 (2013.01); H01C 17/232 (2013.01); H01L 22/00 (2013.01);
Abstract
Systems, methods, and circuitries are provided for calibrating a heater used to heat an adjustable resistance network during a trimming procedure. In one example, a circuit is provided that includes an adjustable resistance network including first resistance segments; a heater element thermally coupled to the adjustable resistance network; a calibration resistor including second resistance segments thermally coupled to the first resistance segments; and interface circuitry coupled to the calibration resistor.