Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method of manufacturing multilayer optical information recording medium










Image Number 17 for United States Patent #7497916.

When a separation layer is formed using a stamper between a substrate and the stamper on a thick substrate, on the surface of which a rewritable recording multilayer film provided with signal guide grooves or pits and the signal guide grooves or pits are transferred from the stamper to the surface, variations in the thickness of the separation layer are produced due to unevenness of the distance between the stamper and the substrate.The surface of the kth signal recording layer of the kth signal substrate is shaped parallel to the surface with the guide grooves and pits of the (k-1)th signal recording layer on the (k-1)th stamper, a (k-1)th separation layer is formed between the two and then the (k-1)th stamper is peeled off. The distance between the surface with the guide grooves and pits of the (k-1)th signal recording layer and the kth signal recording layer becomes uniform, and therefore the thickness of the (k-1)th separation layer can be kept uniform.








 
 
  Recently Added Patents
Cooking tray
Automotive lighting system
Storing a location within metadata of visual media
Battery terminal with current sensor
Control system of substrate processing apparatus, collecting unit, substrate processing apparatus and control method of the substrate processing apparatus
Vehicle drive control system
Laser processing machine
  Randomly Featured Patents
Method and apparatus for transceiving multiple services data simultaneously over SONET/SDH
Substituted pyrimidine derivatives and their pharmaceutical use
Sandal upper
Radiation stabilization of polymeric material
Device for controlling internal combustion engines
Selective production of olefins
Film condenser and metalized film
Poly-1-butene resin composition
N,N-di(aryl) cyclic urea derivatives as anti-coagulants
Method and device for automatically determining the dimensions of printing cylinders having a diameter counter