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:
Feb. 09, 1993
Filed:
May. 14, 1991
Randy L Karl, Chanhassen, MN (US);
Dale A Maenke, Chaska, MN (US);
Fluoroware, Inc., Chaska, MN (US);
Abstract
A package for storing and transporting a single wafer of silicon or the like which may be 300 millimeters or more in diameter. The package has a U-shaped frame with a ledge on it for supporting the edge of a wafer, the open side of the U-shaped frame permitting insertion and removal of a wafer; a top panel affixed to the U-shaped frame and traversing the U-shaped frame defining a wafer compartment with the frame, and confining the wafer therein; a retainer traversing the open side of the compartment to obstruct removal of the wafer; wafer clamping devices confronting the ledge to clamp the edge portion of a wafer thereon; an access slot through the ledge portion of the frame to obtain access to the edge of the wafer for lifting it; the entire frame portion being open in a downward direction as to open the lower side of the wafer compartment to allow obtaining access to the wafer; the frame also having stacking ribs and grooves; a robot handle on the top panel and an adjacent operator for the retainer to also be operated by a robot.