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Method of making a fluid flow module

  • US 6,293,012 B1
  • Filed: 04/26/2000
  • Issued: 09/25/2001
  • Est. Priority Date: 07/21/1997
  • Status: Expired due to Term
First Claim
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1. A method of fabricating a module having fluid flow channels in communication with a diaphragm valve which comprises applying a release agent to a surface of a first sheet of an adhesiveless self-bondable thermoset polyimide in a region corresponding to said diaphragm valve, assembling said first sheet with a second sheet of adhesiveless self-bondable thermoset polyimide, one of said first and second sheets having a channel formed therein, which is in fluid communication with said diaphragm valve;

  • and interfacially and directly bonding said first sheet to said second sheet except in said region corresponding to said diaphragm valve without using an adhesive.

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