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:
Jun. 26, 1990
Filed:
Dec. 28, 1988
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Shinkawa, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156584 ; 29413 ; 294266 ; 156344 ; 225103 ;
Abstract
A wafer supplying apparatus including a supply ring to which a wafer sheet having semiconductor pellets adhered thereto is attached, a ring holder provided on an X-Y table of a pellet pick-up device, the ring holder supporting and placing the wafer sheet onto the upper surface of a cylindrical portion of the ring holder having an external diameter smaller than the internal diameter of the supply ring, a pressing ring provided above the supply ring, a pusher which pushes down the supply ring around the cylindrical portion of the ring holder through the pressing ring, and a fastener which fastens the pressing ring to the ring holder after the supply ring has been pushed down by the pusher.