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:
May. 02, 1995
Filed:
Jun. 29, 1994
Barry J Male, West Granby, CT (US);
Douglas L Anneser, East Granby, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
The present invention relates to a non-contact current injection apparatus and a method for using the same with linear integrated bipolar circuits. The current injection apparatus has two modes: a calibration mode and an injection mode. The apparatus includes an illumination source for emitting photons toward an electronic component at a desired site for inducing a current in the electronic component. The apparatus further includes a control loop for generating a voltage control signal which causes the illumination source to illuminate to a desired level and a feedback loop which monitors the current induced in the electronic component and compares it or some other end effect to a desired current or end effect. The apparatus also includes a storage device for retaining information about the calibration sequence. The method for using the apparatus broadly comprises calibrating the apparatus using a test array having a series of calibration sites with a target at each site, providing an intensity control signal to the illumination source, illuminating a target at one of the calibration sites, and monitoring the end effect generated in the target by the photon emissions.