Molding dye for disk substrate

Details Molding dye for disk substrate Molding dye for disk substrate

1994-07-07

1995-11-07

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Including support or guide means for disassembled element

425192R:193, 425542, 425810, 264107, B29C 3330

Patent

active

054643392

ABSTRACT:
A disk substrate molding die is provided in which the quantity of eccentricity of a stamper can be reduced to a small value. The molding die includes a member having mounted thereon a thin plate (19) carrying thereon a recorded transfer signal and an adjusting device consisting of a plurality of pairs of adjusting blocks, each formed of movable blocks (9a) and (9b) and blocks (10a) and (10b) having adjacent surfaces inclined in the moving direction of the movable blocks and common to one another.

REFERENCES:
patent: 4527971 (1985-07-01), Strausfeld et al.
patent: 4789320 (1988-12-01), Sasamura et al.
patent: 4790738 (1988-12-01), Shimojo et al.
patent: 5308235 (1994-05-01), Kamitakahara et al.

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