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:
Mar. 01, 1994
Filed:
Dec. 03, 1991
Minoru Baba, Saitama, JP;
Advantest Corporation, Tokyo, JP;
Abstract
A pick and plate apparatus for use in an automatic test handler picks up electronic devices from one type of tray, transfer the electronic devices in a horizontal plane to another type of tray, and places the electronic devices in a predetermined position on the other tray for testing and sorting. The pick and place apparatus includes a plurality of suction inlets for picking up the electronic devices from the tray with suction power caused by a vacuum, a guide frame for slidably mounting the plurality of suction inlets in a horizontal direction, a mechanism for providing up-and-down movement to the suction inlets for picking up the electronic devices from the one tray and placing the device in the other tray, and a mechanism for adjusting the spacing of the suction inlets to compensate for the differences in spacing between one tray and another tray.