Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1997-01-29
1999-04-06
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285 211, 285382, 285911, 285915, 285423, 29447, 295921, 205666, 428167, F16L 3500
Patent
active
058907459
ABSTRACT:
A method for producing a microfluidic coupler includes the step of producing a first mask on a top surface of a wafer. The first mask defines an insertion channel pattern selected to correspond to the cross sectional shape of a capillary. The wafer is etched through the first mask to form an insertion channel. A second mask is produced on a bottom surface of the wafer. The second mask defines a subchannel pattern selected to match the diameter of the bore of the capillary. The wafer is etched through the second mask to form a subchannel connected to the insertion channel. The capillary is inserted into the insertion channel such that the capillary is in fluid communication with the subchannel. In one embodiment, a capillary guide is secured to the wafer to facilitate insertion of the capillary into the insertion channel. The capillary guide has a tapered guide channel aligned with the insertion channel for guiding the capillary into the insertion channel.
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Arola Dave W.
The Board of Trustees of the Leland Stanford Junior University
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