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:
Jul. 28, 1998
Filed:
Feb. 29, 1996
James W Loomis, St. Helena, CA (US);
Loomis Industries, Inc., St. Helena, CA (US);
Abstract
A breaking device for separating a substrate along a scribe line formed in a surface of the substrate and spaced a predetermined distance D from a previously formed scribe line. The breaking device comprises a body member and a pair of laterally spaced annular profile members carried by the body member, the profile members each having a wall structure terminating in the contact surface. The amount of lateral spacing between the profile members is substantially equal to ND, where N is an integer, so that the contact surfaces of the pair of profile members are arranged for surface contact with a substrate on opposite sides of the scribe line, with one of the contact surfaces positioned adjacent the previously formed scribe line. An alternate embodiment includes an additional profile member carried by the body member and positioned between the pair of profile members to provide either equidistant positioning or offset positioning of the contact surface of the additional profile member with respect to the scribe line.