US 7,468,162 B2
Analytical instrument
Takayuki Taguchi, Kyoto (Japan); and Shigeru Kitamura, Kyoto (Japan)
Assigned to Arkray, Inc., Kyoto (Japan)
Appl. No. 10/513,862
PCT Filed Apr. 28, 2003, PCT No. PCT/JP03/05479
§ 371(c)(1), (2), (4) Date Oct. 29, 2004,
PCT Pub. No. WO03/093834, PCT Pub. Date Nov. 13, 2003.
Claims priority of application No. 2002-128950 (JP), filed on Apr. 30, 2002.
Prior Publication US 2005/0201892 A1, Sep. 15, 2005
Int. Cl. B01L 3/02 (2006.01)
U.S. Cl. 422—100 7 Claims
OG exemplary drawing
 
1. An analytical instrument comprising:
a substrate formed with a groove;
a first cover made of elastomer and stacked on the substrate covering the groove and defining a capillary; and
a second cover covering the first cover;
wherein the second cover includes an outer periphery located outward of the first cover and bonded directly to the substrate.