Slit system

Details Slit system Slit system

1994-08-18

1996-04-16

Phan, James

Optical: systems and elements

Light control by opaque element or medium movable in or...

Slit type

359230, 310328, 310331, G02B 2602

Patent

active

055088384

ABSTRACT:
A small-sized, simple, high-resolution slit system adapted for use in a mass spectrometer. The slit system forms a slit whose width can be electrically controlled. The slit system comprises two displacement-enlarging mechanisms disposed in rotation symmetry. Each displacement-enlarging mechanism comprises two levers disposed in series. Each displacement-enlarging mechanism is formed by one flange provided with a groove extending therethrough. A piezoelectric device which expands and contracts along one axis is mounted to the input end of each displacement-enlarging mechanism. A blade is mounted to the output end of each displacement-enlarging mechanism. Both blades together form the slit which can be opened and closed.

REFERENCES:
patent: 4612440 (1986-09-01), Brunnee et al.

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