Browse Prior Art Database

Device to Prevent Tape Tearing

IP.com Disclosure Number: IPCOM000037893D
Original Publication Date: 1989-Aug-01
Included in the Prior Art Database: 2005-Jan-30
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Mayron, H: AUTHOR [+4]

Abstract

Cover tape used in the packaging of semiconductor components for automatic pick-place tools can be removed without tearing by using a crowned roller for the pull-back mechanism.

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Device to Prevent Tape Tearing

Cover tape used in the packaging of semiconductor components for automatic pick-place tools can be removed without tearing by using a crowned roller for the pull-back mechanism.

Components to be automatically placed on printed circuit boards are carried in a tape package which is wound on reels. The tape package is comprised of a two-piece tape assembly: one piece being an embossed tape carrier into which the components are placed, and the other piece being a cover tape which is heat sealed to the carrier tape and covers the embossed pockets thus sealing in the component. The automatic pick/place tool feeds these components to a placement transfer head wherein the feeding mechanism must pull the cover tape off the carrier tape to expose the components for subsequent placement. These tape pull mechanisms are currently sharp metal wedges which can tear the cover.

This tape tearing problem can be solved by replacing the sharp metal wedge pull-back bracket with a crowned roller. The cover tape is now removed by rolling the tape over the crowned roller.

Disclosed anonymously.

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