Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Patent
1998-03-19
1999-09-28
Font, Frank G.
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
G01N 2101
Patent
active
059597283
ABSTRACT:
A detector cell in which a pair of glass substrates are used, in which a groove is formed in the surface of at least one of the glass substrates, which has a sample passage formed by the bonding method above-mentioned, a sample inlet port and a sample outlet port, and in which at least a portion of the passage is used as a measuring chamber. There is also formed an optical measuring apparatus having the detector cell above-mentioned and arranged to measure light transmitted through a sample flowing in the passage. According to the arrangement above, it is possible to readily mutually bond, at room temperature, substrates made of a material of glass, quartz or the like of which at least bonding surfaces contain silicon dioxide as the primary component. Further, the optical measuring apparatus having a detector cell produced using this bonding method can achieve a highly precise analysis.
REFERENCES:
patent: 3486829 (1969-12-01), Wilks, Jr.
patent: 5273633 (1993-12-01), Wang
patent: 5644395 (1997-07-01), Folta
patent: 5747349 (1998-05-01), Van Den Engh et al.
Nakanishi Hiroaki
Nishimoto Takahiro
Font Frank G.
Shimadzu Corporation
Smith Zandia V.
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