Browse Prior Art Database

Unique Design Zip Strip Yielding No Salvage

IP.com Disclosure Number: IPCOM000121755D
Original Publication Date: 1991-Sep-01
Included in the Prior Art Database: 2005-Apr-03
Document File: 2 page(s) / 93K

Publishing Venue

IBM

Related People

Busacco, RA: AUTHOR [+6]

Abstract

Disclosed is a unique design for separating double-sided, circuitized, wide-web thin-film product into individual strips without the need for a salvage strip.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 85% of the total text.

Unique Design Zip Strip Yielding No Salvage

      Disclosed is a unique design for separating double-sided,
circuitized, wide-web thin-film product into individual strips
without the need for a salvage strip.

      This article is also applicable for any flexible product which
needs to be separated or removed from a wide web into individual
strips or parts.

      The traditional method of separating strips of parts or
individual parts from a wide web has been by means such as blanking
and/or slitters.  These methods usually require a custom tool or
machine specifically made to suit, whereas the design, as described
in this article, allows individual parts or strips of parts to be
separated from each other by means of a "zip-strip" which, by design,
requires no salvage area.  As the parts are pulled apart, the
integrity of the edge as it relates to a specific area of the part is
maintained.

      A zip strip area, as shown in Fig. 1, is included in the
"circuit" artwork (the circuit is located adjacent to the illustrated
"zip strip" area) and is located on the borderline between the
individual product strips.  The reference edge, as shown in Fig. 1,
is the actual borderline between the individual part(s) and is etched
away during a chemical wet etch process which occurs after
circuitizing. The design is such that the serrated region which holds
the individual strips together is located below the edge of the
borderline so that when the strips are intenti...