Particle detecting instrument with sapphire detecting cell defin

Details Particle detecting instrument with sapphire detecting cell defin Particle detecting instrument with sapphire detecting cell defin

1992-11-10

1994-12-06

Rosenberger, Richard A.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356339, G01N 2105

Patent

active

053715853

ABSTRACT:
In a particle detecting instrument, a sapphire detecting cell is provided with a square flow path. The sapphire cell is assembled from four sapphire pieces which extend throughout the length of the cell. The cell has a central section containing the square flow path with planar exterior walls and cylindrical end sections. The pieces are separated by black gaskets which are sandwiched between the opposed faces of the pieces. The pieces are clamped together by shape memory alloy rings which engage the cell in the cylindrical end sections. Each sapphire piece has a polished planar interior surface defining one of the walls of the square flow path.

REFERENCES:
patent: 3972627 (1976-08-01), Rabl et al.
patent: 4076420 (1978-02-01), De Maeyer et al.
patent: 4802768 (1989-02-01), Gifford et al.
patent: 4818103 (1989-04-01), Thomas et al.
patent: 5125737 (1992-06-01), Rodriguez et al.

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