Aehr Test Systems, Inc.

Mikhail A Alperin

Patrick M Shepherd

James F Tomic

John Dinh Hoang

Jeffrey A Brehm

William D Barraclough

A high density interconnect system (30) employs contact fingers (32) on both surfaces (34) and (36) of burn-in PCB (38), feed-through PCB (40) and driver PCB (42). Each of the PCBs (38), (40) and (42) has a card-edge connector (44), (46) and (48). The feed-through PCB (40) has a second card-edge connector (40) and a second set of contact fingers (32), since it mates with both the burn-in PCB (38) and the driver PCB (42). The contact fingers (32) and the card-edge connectors (44), (46), (48) and (50) of each PCB (38), (40) and (42) mate inversely with each other on adjacent PCBs, i.e., the card-edge connector (44) of the burn-in PCB (38) mates with the contact fingers (32) of the feed-through PCB (40), and the card-edge connector (46) of the feed-through PCB (40) mates with the contact fingers (32) of the burn-in PCB (38), for example. The same relationship exists between the card-edge connector (50) of the feed-through PCB (40), the card-edge connector (48) of the driver PCB (42) and the contact fingers (32) of the feed-through PCB(40) and the driver PCB (42).

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San Francisco, CA, United States of America

Mikhail A Alperin