Developing storage disc boss

Details Developing storage disc boss Developing storage disc boss

1996-10-15

1999-09-21

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 74, 156295, 118 52, 118 56, 118500, 427240, 427296, 269 21, 269 47, 269 52, B32B 3100

Patent

active

059549084

ABSTRACT:
A developing storage disc boss adapted to engage a recess in a rotatable holding table for developing a storage disc including two discoid resin substrates with adhesive contained in a space therebetween. The developing storage disc boss includes a barrel portion for the engagement and a suction cylindrical portion that extends upwardly and orthogonally from a top planar wall of the barrel portion. There is a suction passage extending axially along the boss which includes first and second passages. There are a plurality of suction holes around the periphery of the suction cylindrical portion which communicate with the space between the two substrates. The holes extend radially through the suction cylindrical portion and have inner ends that open directly into the first passage. The first passage opens directly into the second passage, and the diameter of the second passage is greater than that of the first passage.

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patent: 5744193 (1998-04-01), Kitano
patent: 5800670 (1998-09-01), Kitano
patent: 5843257 (1998-12-01), Inouchi

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