05290134 is referenced by 61 patents and cites 19 patents.

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.

Title
Pick and place for automatic test handler
Application Number
7/801875
Publication Number
5290134
Application Date
December 3, 1991
Publication Date
March 1, 1994
Inventor
Minoru Baba
Saitama
JP
Agent
Knobbe Martens Olson & Bear
Assignee
Advantest Corporation
JP
IPC
B65G 65/02
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