Metal working – Method of mechanical manufacture – Electrical device making
Patent
1989-04-21
1991-07-02
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Electrical device making
29424, 156644, G01R 300
Patent
active
050274996
ABSTRACT:
The invention is concerned with a method for manufacturing a channel device, especially for recordings of thermal conductivity, viscosity, density, dielectric constants, refractive indices, etc. of materials such as fluids and gases (called samples), where the material under investigation is guided through a measuring channel with at least one sensor and at least one inlet and one outlet orifice for the sample. The invention also concerns the fabrication procedure of the channel device, especially the recording unit for determining the thermal conductivit, viscosity, density, dielectric constant, etc. of samples where the material under investigation is passed through or brought into a measuring channel which is equipped with sensors and actuators.
REFERENCES:
patent: 4293522 (1981-10-01), Winkler
patent: 4391152 (1983-07-01), Ellett
patent: 4534825 (1985-08-01), Koning et al.
patent: 4545851 (1985-10-01), Takada
patent: 4734184 (1988-03-01), Burleigh et al.
patent: 4741817 (1988-05-01), Croset et al.
Dungba Vo Peter
Eley Timothy V.
Otto Sensors Corporation
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