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:
Oct. 18, 1994
Filed:
Jun. 03, 1993
Fujitsu Limited, Kawasaki, JP;
Abstract
It is an object of the present invention to provide a circuit board trimming apparatus and method used, in which apparatus and method a wiring pattern on a printed circuit board is trimmed, and to provide a circuit board trimming apparatus and method, in which apparatus and method a wiring pattern is trimmed efficiently while damage to the circuit board is minimized. A force exerted by a cutter against the circuit board is measured when the wiring pattern is cut by pressing an ultrasonic cutter against the wiring pattern on the circuit board and by moving the circuit board and the cutter relative to each other, a shape of the wiring pattern being determined on the basis of the force thus measured and a cutting process being controlled in accordance with the shape of the wiring pattern.