Pallet, process and apparatus for producing crystal resonators

Special receptacle or package – For a building component – Shingle

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206331, 206486, B65D 7302

Patent

active

043710786

ABSTRACT:
A pallet (10) for receiving a plurality of electrical components used in fabricating crystal resonators (28, 40, 42, 46), has a number of spaced bosses (12) adapted to receive terminals (30, 32) of the components. The terminals (30, 32) extend through a longitudinal groove (20) so that the components can be readily tested at various phases of assembly. The pallet (10) includes a number of spaced teeth (22) whereby the pallet (10), together with the components, can be advanced through a plurality of testing-and-fabricating stations. The pallet (10) is guided in its longitudinal intermittent movement by means of a keyway (26) constructed integrally in a face of the pallet opposite the side having the teeth (22). The pallet (10), together with the components mounted thereon, can be transferred from one fabricating station to the other through a rack (56) which is adapted to receive a number of pallets (10). In this manner the pallets (10) and components are moved through a curing oven, a frequency adjusting station (120), a vacuum bake-off chamber (62), and finally an encapsulating station (150). This enables minimal individual handling of the component as the unit is assembled. Consequently, the process can proceed much more rapidly and produce a more reliable end product because the ability to assemble and test the components at each stage of operation, including the frequency adjustment station ensures a final product of high quality. The invention further includes suitable apparatus for practicing and carrying out the process as described.

REFERENCES:
patent: 3545606 (1970-12-01), Bennett
patent: 3841472 (1974-10-01), Fuller et al.
patent: 4044888 (1977-08-01), Schachter
patent: 4061405 (1977-12-01), Minter
patent: 4298120 (1981-11-01), Kaneko et al.

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