Apparatus and methods for improving uniform cover tape adhesion on a carrier tape
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United States of America Patent
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Apr 15, 2003
Issued Date -
N/A
app pub date -
Jan 14, 2002
filing date -
Jan 14, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods are presented herein for uniformly sealing and peeling a cover tape to/from a carrier tape. The carrier tapes of the present invention include surface transitions that minimize/eliminates surface irregularities and distortions such that the cover tapes can be uniformly sealed and peeled from the carrier tapes. The surface transitions act as physical barriers to prevent propagation of surface irregularities and distortions from the thermoformed pocket area into the heat bonding zones. The surface transitions also act as stiffening members to keep the heat bonding zones as flat as possible during subsequent handling of the carrier tape. The surface transitions may be in the form of continuous ribs and/or step portions.
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