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. 04, 1983
Filed:
Mar. 02, 1981
Applicant:
Inventors:
Gustav Wirz, Berg, CH;
Franco Pizzagalli, La Chaux-de-Fonds, CH;
Assignee:
Les Fabriques d'Assortiments Reunies S.A., Le Locle, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D / ;
U.S. Cl.
CPC ...
125 / ; 83404 ; 5116572 ; 125 35 ;
Abstract
Installation for the sawing of wafers of semiconductor material encompassing an alignment station (1), a sawing station (9), and a cleaning station (7). A handling device, provided to convey the wafers from one station to another, while ensuring a perfect positioning under the disc (11) of the saw, encompasses at least two supporting platforms (2, 13), of a mobile table (14) and a transfer angle-iron (15). Platforms (2) and (13) are provided to retain a wafer by suction, whether the platforms are carried by fixed support (6) or by mobile table (14).