U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 369/16 - MECHANICAL PRODUCTION OF OPTICAL STORAGE TRACK


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter in which information is mechanically recorded
No. of patents: 18
Last issue date: 01/22/2008


NumberTitleIssue Date
7321415Environmental system including vacuum scavenge for an immersion lithography apparatus
An environmental system controls an environment in a gap between an optical assembly and a device and includes a fluid barrier and an immersion fluid system. The fluid barrier is positioned near the device. The immersion fluid system delivers an immersion fluid that...
01/22/2008
7170583Lithographic apparatus immersion damage control
A lithographic apparatus includes a substrate table to hold a substrate; a substrate table position measurement system to measure a position quantity of the substrate table, a projection system to project a patterned radiation beam onto a target portion of the subst...
01/30/2007
7034319Electron beam irradiation apparatus, electron beam irradiation method, original disk, stamper, and recording medium
An electron beam irradiation apparatus, includes a support section for supporting an electron beam irradiation subject to be irradiated with an electron beam, and an electron beam irradiation head opposed to the electron beam irradiation subject via a minute space, ...
04/25/2006
6837072Rewritable optical recording medium and manufacturing method and apparatus therefor
A rewritable optical recording medium includes a segmented groove area in which the groove track is segmented along a rotating direction of the recording medium by groove non-forming portions to form a plurality of groove portions; and a continuous groove area in wh...
01/04/2005
6757391OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON A OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded by laser trimming on a reflective film in a PCA area of an optical di...
06/29/2004
6567351Playback device with predetermined, random function for selection of data groups
Proposed is a playback device (1), especially a compact disc changer, which enables a random selection of data groups of recording media to be reproduced in succession. The playback device (1) comprises an input unit (5) and a random generator (10) for ra...
05/20/2003
6502755Optical data storage card
The optical data-storage card includes an optical data-storage medium layer supported on the card. The data-storage medium layer includes a plurality of data storage tracks for storing data therein. Each of the tracks having at least an arc-segment wherei...
01/07/2003
6438074Optical recording medium manufacturing master recording apparatus
A master recording apparatus includes a revolving base (31) for revolving a substrate (1) coated with resist thereon, an irradiating mechanism (32), an elevator mechanism (33) for making the irradiating mechanism (32) capable of moving in a vertical direc...
08/20/2002
5742567Master optical disk recording apparatus
A master optical disk recording apparatus forms a train of pits on a recording layer of a master optical disk by a laser beam which is emitted from the laser light source and is modulated by an acousto-optic modulator. An objective lens in the recording a...
04/21/1998
5195083Disc-shaped recording medium capable of recording data signals by means of light beam
A disc-shaped recording medium is used in a recording/reproducing apparatus in which a light beam is arranged to scan along a groove formed as a concentrical or spiral recording track, to record or reproduce data. Additional data which has preeviously bee...
03/16/1993
4821250Process and apparatus for the recording of an information signal
A process and an apparatus are specified for recording a digital signal onto a recording carrier (4), in particular a signal for recording in compact disc data format, in which an engraving or cutting stylus (2) is pressed substantially by dead weight alo...
04/11/1989
4678736Optical recording media on which information is stored and method of making same
Optical recording media for storing information on which bits are formed by applying radiant energy to a polydiacetylene thin film supported by a substrate, so that the main chain structure of the polydiacetylene is transformed into another form or forms....
07/07/1987
4519065Metallized information carrying discs
Coded information bearing elements such as video discs may be produced from multilayered articles. The articles comprise a base having a thermoplastic, radiation curable resin on one surface and an embossable electrically conductive or radiation reflectiv...
05/21/1985
4148067Modulated groove records with a thick metal layer and method for making same
A modulated groove record, such as a video disc, has a coating on a conductive layer bearing the modulated groove formed from the material of the layer. The material may be aluminium and the coating may be a uniform dielectric of aluminium oxide formed by...
04/03/1979
4101907Overcoat structure for optical video disc
An optical recording medium comprises a light reflecting material coated with a light absorbing material which is coated with a transparent barrier layer and overcoated with a relatively thick transparent protective layer. During recording, portions of th...
07/18/1978
4060831Wideband electromechanical recording system
A system for recording signals in a disc master comprises an electromechanical cutterhead responsive to the signals and a signal processing means interposed between the cutterhead and a signal source. The signals applied to the cutterhead are of the encod...
11/29/1977
4023185Ablative optical recording medium
An ablative recording medium comprises a substrate coated with a light reflecting coating which in turn is coated with a light absorptive layer of 4-phenylazo-1-naphthylamine formed by evaporation of Sudan Black B dyestuff. During recording, portions of t...
05/10/1977
3952146Electron beam recording of wide-band signals on thermoplastic film
This invention concerns a method of recording wide-band signals on a thermoplastic film. The signal to be recorded is converted to an intensity modulation of a beam of electrons which is directed at the surface of a thin thermoplastic film carried on a co...
04/20/1976
 
Sign InRegister
Username  
Password   
forgot password?