Resources Contact Us Home
Apparatus for molding a formatted substrate for an optical disk

Image Number 7 for United States Patent #5171585.

Improvement in a method for molding a plastic substrate for an optical disk having a concave-convex pattern on a side surface thereof including a step of feeding liquid resin into a molding cavity defined by a pair of mold halves, characterized in that, when the molded plastic substrate is released from the mold halves, the molded plastic substrate is released at least simultaneously in time from both of the mold halves in a mold-opening stage.

  Recently Added Patents
Catalyst compositions for hydroformylation reaction and hydroformylation process using the same
Data modulation for groups of memory cells
Method for etched cavity devices
Stack and folding-typed electrode assembly and method for preparation of the same
Dual functional medium shredding machine structure
Method for controlled layer transfer
Multiplexing channels by a medium access controller
  Randomly Featured Patents
Combination fertilizer applicator and tillage implement with adjustable sweep assemblies
Tongue and groove multiple step panel
Shallow water highlight method and display systems
Methods for processing activated protein C
Card connector
Bone fixation system
Integral heater thermal energy storage device
Polyketone composite
Optical transmission apparatus
Hybrid interlocking proximal femoral fracture fixation