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Browse by Category: Main > Material Science
Class Information
Number: 425/810
Name: Plastic article or earthenware shaping or treating: apparatus > Sound record
Description: Apparatus for making discs or cylinders having grooves therein for reproducing sounds.


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7390183 Tool rig for the compaction of particulate material Jun. 24, 2008
7377478 Light guide plate made of transparent resin, molding method thereof, insert block, mold assembly, and area light apparatus May. 27, 2008
7374417 Stamper and transfer apparatus May. 20, 2008
7347959 Information recording medium and method of manufacturing same Mar. 25, 2008
7329114 Isothermal imprint embossing system Feb. 12, 2008
7323124 Optical disc cover layer formation method and optical disc cover layer formation device Jan. 29, 2008
7322816 Mold for forming disk substrate Jan. 29, 2008
7311516 Die for molding disk substrate and method of manufacturing disk substrate Dec. 25, 2007
7309225 Moat system for an imprint lithography template Dec. 18, 2007
7303381 Device for manufacturing optical disc, method of manufacturing the same, and optical disc Dec. 4, 2007
7300609 Injection-moulding tool for the production of information carriers in disc form Nov. 27, 2007
7294294 Surface modified stamper for imprint lithography Nov. 13, 2007
7281920 Die set utilizing compliant gasket Oct. 16, 2007
7270535 Disc-molding mold, molded product, molding machine and disk-shaped member Sep. 18, 2007
7270527 Optical recording medium-manufacturing apparatus Sep. 18, 2007
7241444 Anti-IGF-IR antibodies and uses thereof Jul. 10, 2007
7229275 Disk substrate, mold apparatus for injection molding the same, and disk substrate taking-out robot Jun. 12, 2007
7229266 Press die alignment Jun. 12, 2007
7220116 Injection moulding mould part with wear-resistant coating May. 22, 2007
7214052 Injection-molding tool for the production of disc-shaped information carriers May. 8, 2007
7198478 Method and apparatus of treating a disc plate Apr. 3, 2007
7186109 Stamper holder, mold component, and mold assembly Mar. 6, 2007
7182890 Matrix and method of producing said matrix Feb. 27, 2007
7168940 Method and apparatus for treating a disc substrate Jan. 30, 2007
7156640 Insert dies, molds, and methods for fabricating the same Jan. 2, 2007
7156650 Device for removing an injection molded substrate from an injection mold Jan. 2, 2007
7150613 Contamination-free magnetic stamper holder Dec. 19, 2006
7144241 Method and apparatus for forming microstructures on polymeric substrates Dec. 5, 2006
7128851 Method of removing scratches from a compact disc Oct. 31, 2006
7128550 Injection molding machine Oct. 31, 2006
7114947 Optical disk mold tooling for reduced edge wedge Oct. 3, 2006
7101171 Molding die for disc substrate Sep. 5, 2006
7097791 Method of controlling/regulating an embossing procedure and drive control device for injection molding machines Aug. 29, 2006
7096770 Optical recording medium-manufacturing apparatus Aug. 29, 2006
7074031 Die for molding disc substrates Jul. 11, 2006
7052269 Die assembly for molding optical disc substrates May. 30, 2006
7044726 Mold component and mold assembly May. 16, 2006
7018193 Die for molding disc substrates Mar. 28, 2006
7018572 Method for producing data storage media Mar. 28, 2006
7014457 Mould assembly provided with centering means Mar. 21, 2006
7008216 Molding die apparatus, method for molding disc substrate, and disc-shaped recording medium Mar. 7, 2006
7004747 Molding die and molding method Feb. 28, 2006
6976837 CD molding apparatus Dec. 20, 2005
6971866 Die for molding disc substrates Dec. 6, 2005
6939485 Method for shaping optical storage discs and products thereof Sep. 6, 2005
6939120 Disk alignment apparatus and method for patterned media production Sep. 6, 2005
6936195 Method and apparatus for storing and retrieving information using optical data storage media Aug. 30, 2005
6929461 Apparatus for making multi-layer optical discs Aug. 16, 2005
6921499 Master carrier for magnetic transfer Jul. 26, 2005
6896829 Method of manufacturing a composite disc structure and apparatus for performing the method May. 24, 2005

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