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Clamshell cuts costs for computer boards

Anti-static PETG clamshell costs less than previous bag and foam combination. Packaging steps are reduced from three to one.

Self-locking anti-static PETG clamshell (above) provides ample protection while reducing costs and labor. It required no change
Self-locking anti-static PETG clamshell (above) provides ample protection while reducing costs and labor. It required no change

Early this year, printed circuit board manufacturer 3COM completed a switch to a new protective clamshell that incorporates electrostatic discharge (ESD) protection while it saves money and reduces packing time.

The Santa Clara, CA-based maker of communications electronics previously packed its printed circuit boards (PCBs) in an anti-static plastic bag. The bag was then loaded into a box lined with anti-static polyurethane foam cut to fit, a common packaging solution in the electronics field.

The new clamshell is thermoformed out of 15-mil Pentastat(TM) SC 8G/16 polyethylene terephthalate glycol (PETG)-modified sheet from Klockner Pentaplast (Gordonsville, VA). The sheet uses Eastar(TM) copolyester resin from Eastman Chemical (Kingsport, TN). It's thermoformed by Universal Protective Packaging (Mechanicsburg, PA), which also did the design work.

The hinged outer carton, made of 100% post-consumer recycled chipboard, is printed by Zellerbach (South San Francisco, CA). That company inserts the clamshells from Universal to supply 3COM with a complete package.

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