St Assembly Test Services Inc.

Francis Chang

Chee Keong Tan

Kester Ong

An antistatic strapping apparatus for binding and securing a plurality of semiconductor device carrier trays, the apparatus including a strap member having opposed ends and a side defined as a top side spaced from a side defined as a bottom side and a major surface defined by the opposed ends and top and bottom sides. A loop portion of a hook and loop fastening combination constitutes the major surface area on the top side of the strap member. A piece of hook portion having the same width as the strap member of the book and loop fastening combination secured to the top side at a first end of the strap member, the hook portion extending the length of the strap member by at least about 80 mm. A conductive thread is sewn in a multiplicity of lengthwise tracks on the second side of the major surface to prevent build-up of static electricity. A &ldquo;L&rdquo; shaped buckle having a first transverse slot formed therethrough and near the end of the shorter leg, and a second transverse slot formed therethrough and near the end of the longer leg. The second end of the strap member is inserted through first slot of the &ldquo;L&rdquo; shaped buckle and folded back to itself, the bottom surface contain conductive thread tracks facing out, is sewn to secure the second end to the &ldquo;L&rdquo; shaped buckle.

Velcro strapping for semiconductor carrying trays

An antistatic strapping apparatus for binding and securing a plurality of semiconductor device carrier trays, the apparatus including a strap member having opposed ends and a side defined as a top side spaced from a side defined as a bottom side and a major surface defined by the opposed ends and top and bottom sides. A loop portion of a hook and loop fastening combination constitutes the major surface area on the top side of the strap member. A piece of hook portion having the same width as the strap member of the hook and loop fastening combination secured to the top side at a first end of the strap member, the hook portion extending the length of said strap member by at least about 80 mm. A conductive thread is sewn in a multiplicity of lengthwise tracks on said second side of said major surface to prevent build-up of static electricity. A &ldquo;L&rdquo; shaped buckle having a first transverse slot formed therethrough and near the end of the longer leg, and a second transverse slot formed therethrough and near the end of the shorter leg. The second end of the strap member is inserted through first slot of the &ldquo;L&rdquo; shaped buckle and folded back to itself, the bottom surface contain conductive thread tracks facing out, is sewn to secure the second end to the &ldquo;L&rdquo; shaped buckle.

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Singapore, Singapore

Francis Chang