Apparatus for hard mounting an optical member to a rigid base

Details Apparatus for hard mounting an optical member to a rigid base Apparatus for hard mounting an optical member to a rigid base

1975-12-08

1977-08-30

Corbin, John K.

Oscillators

Relaxation oscillators

331 945D, 350252, 350287, 356112, G02B 700

Patent

active

040451291

ABSTRACT:
The present invention relates to an apparatus in the form of a holder for hard mounting an optical member to a rigid base in order to maintain the relative spatial alignment of the assembly in the presence of differential thermal expansion of the elements of the assembly. The apparatus or holder comprises a tubular member terminating at one end with a base for attachment to the mounting structure for the assembly, while at its opposite end the holder has flange portions for engaging the optical member. The longitudinally extending portion of the holder comprises thin wall, spring finger members which are disposed to establish bilateral symmetry in a plane perpendicular to the longitudinal axis of the holder, which bilateral symmetry assures the maintenance of the spatial alignment of the members of the assembly. The optical member is hard mounted to the flange of the assembly by a suitable rigid epoxy. The hard mounting of the optical apparatus assures that there is no relative movement between the spring fingers and the optical member. The spring fingers, however, allow for differential expansion between the optical element and the base of the mount.

REFERENCES:
patent: 2404385 (1942-09-01), Fritts
patent: 2426521 (1946-03-01), Parker
patent: 3387531 (1968-06-01), Hesse
patent: 3428915 (1969-02-01), Leone et al.

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