If you can't have anything blocking it from the top, you can go in from the
side. Gluing capillary tubing (with the proper epoxy for your channel material)
works well, especially for glass chips. If you want removable connectors, use a
short tube, and put a connector to another longer tube on the end.

- Kevin Nichols

*********************************
Kevin Paul Nichols
MESA+ Institute for Nanotechnology
Mesoscale Chemical Systems
Meander 151
University of Twente
Postbus 217
7500 AE Enschede
The Netherlands

Office: +31 (0)53 489 26 31
Mobile: +31 (0)6 49 312 471
Fax   : +31 (0)53 489 35 95
Email : k.p.nichols@utwente.nl

-----Original Message-----
From: mems-talk-bounces@memsnet.org on behalf of Ciro Chiappini
Sent: Mon 7/23/2007 10:53 PM
To: General MEMS discussion
Subject: [mems-talk] Microfluidics ports

Hi

We are trying to develop a microfluidics flow chamber for biological
application. We require the smallest possible interfaces to the
microfluidics chip. We are trying with capillary tubes but that presents
several problems with leaking. We also saw microfluidics ports from upchurch
but their outer diameter is too big (8mm) and doesn't allow us to do
microscopy. Does anyone know about small interfaces to the microfluidic
world?