Pockets for microchip carriers
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United States of America Patent
Stats
-
Sep 9, 1997
Grant Date -
N/A
app pub date -
Apr 9, 1996
filing date -
Apr 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A carrier tape (12) is disclosed including a plurality of longitudinally spaced pockets (22) extending parallel to index holes (20). Each pocket (22) includes side walls (24) and a bottom (26) having provisions (28) for holding a microchip (32). Abutments (38) having semicircular cross sections are integrally formed on the side walls (24) for engaging the free ends of the leads (34) of the microchip (32) to prevent their engagement with the side walls (24). A greater number of abutments (38) at lesser spacings are provided than the leads (34) of the microchip (32) to prevent the leads (34) from hooking between the abutments (38). The abutments (38) are arranged to minimize the number of leads (34) actually engaged and to minimize the actual area contacted by the free ends of the leads (34) with the abutments (38). The shape of the abutments (38) also optically disperses major portions of the reflection of the leads (34). False indications of lead problems during non-contacting, electro-optical visual inspection of the microchip (32) within the pocket (22) are thereby eliminated.
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