Patents
Patents for B28D 5 - Fine working of gems, jewels, crystals, e.g. of semiconductor material; Apparatus therefor (6,662)
07/1996
07/10/1996EP0720521A1 Apparatus and method for dicing semiconductor wafers
07/10/1996CN2230654Y Precious Stone binder
06/1996
06/25/1996US5529051 Method of preparing silicon wafers
06/19/1996EP0716910A2 Multi-wire saw device, slice method using the same and cassette for housing a wafer sliced with the same
06/19/1996EP0716899A1 Laser finishing and measurement of diamond surfaces
06/18/1996US5527744 Wafer method for breaking a semiconductor
06/11/1996US5524604 Method and apparatus for slicing semiconductor wafers
06/05/1996EP0715341A1 Method of preventing a transfer of adhesive substance to a ring frame in a dicing process, pressure-sensitive adhesive sheet and wafer support comprising said pressure-sensitive adhesive sheet
05/1996
05/22/1996EP0712677A1 Wire sawing device with monobloc frame
05/15/1996CN1122518A Method for formjing rows of partially separated thin film elements
05/07/1996US5514025 Apparatus and method for chamfering the peripheral edge of a wafer to specular finish
04/1996
04/17/1996EP0444182B1 Process for producing a tooth crown with the aid of two sonotrodes
04/11/1996WO1996010470A1 Wire saw
04/02/1996US5504303 For measuring and ablating the surface of a hard material
03/1996
03/20/1996CN1118732A Producing method for silicon crystal unit
02/1996
02/27/1996US5494698 Teflon filled resinoid dicing blades for fabricating silicon die modules
02/27/1996US5494549 Dicing method
02/13/1996US5490810 Process and device for manufacturing a structural part, especially of a ceramic tooth restoration, and a process of making sonotrode crowns
02/01/1996WO1996002362A1 Apparatus and method for dicing semiconductor wafers
02/01/1996DE19526711A1 Silicon@ wafer mfr. for VLSI mfr.
01/1996
01/31/1996EP0694366A1 Wire saw apparatus
01/18/1996DE4425091A1 Method of to breaking ceramic tile material
01/16/1996US5484326 Semiconductor ingot machining method
01/11/1996DE4425879A1 Scoring system for separating components is essentially single crystal substrates
01/10/1996EP0599937B1 Method and apparatus for cleaving semiconductor wafers
01/09/1996US5483038 Method of working diamond with ultraviolet light
01/09/1996US5482899 Leveling block for semiconductor demounter
01/03/1996EP0689891A1 A roller
12/1995
12/20/1995CN2215399Y Machine for working round and arc oilstone
12/13/1995EP0686684A1 Slicing slurry
12/07/1995CA2150856A1 Sawing suspension
12/06/1995EP0685838A2 Method of producing thin film elements
11/1995
11/23/1995DE19517107A1 Workpiece positioning method for e.g. semiconductor wafer cutting process
11/14/1995US5465892 Method and apparatus for cutting plate-shaped brittle material
11/07/1995US5464159 Method for the contamination-free size reduction of semiconductor material, especially silicon
10/1995
10/31/1995US5462474 Method of facetting a gem
10/25/1995EP0678904A1 Multicut wafer saw process
10/17/1995US5458526 Method of slicing a semiconductor wafer and an apparatus
10/17/1995US5458269 Frangible semiconductor wafer dicing method which employs scribing and breaking
10/11/1995EP0676253A1 A chamfered hub blade
10/11/1995CN2209585Y Perforating locator for jade buttons
10/10/1995US5456147 Precision cutter saw
09/1995
09/28/1995DE4409748A1 Method of separating material for use in laboratories
09/19/1995US5451549 Semiconductor dicing method which uses variable sawing speeds
08/1995
08/29/1995US5445559 Wafer-like processing after sawing DMDs
08/08/1995US5439723 Substrate for producing semiconductor wafer
08/02/1995EP0665083A1 Improvement relating to cutting
08/01/1995US5437215 Ultrasonic cutting device
07/1995
07/20/1995WO1995019247A1 Method and apparatus for scribing and/or breaking semiconductor wafers
06/1995
06/28/1995CN1104341A Wafer-like processing after sawing dmds
06/27/1995US5427644 Method of manufacturing semiconductor wafer and system therefor
06/14/1995EP0657759A2 Wafer-like processing after sawing DMDS
06/14/1995CA2137843A1 Working a natural or synthetic hard stone such as a gemstone
06/13/1995CA1335902C Cutting brittle materials
05/1995
05/23/1995US5418190 Method of fabrication for electro-optical devices
05/17/1995EP0653395A1 Ceramic sintered body and method of processing surface of body
05/10/1995EP0651693A1 Method and apparatus for separating circuit dies from a wafer
05/09/1995US5413521 Inner diameter saw slicing machine
04/1995
04/25/1995US5410125 Methods for producing indicia on diamonds
04/11/1995CA1335172C Cutting
03/1995
03/21/1995US5398857 Method and apparatus for cutting plate-shaped brittle material
02/1995
02/28/1995US5393707 Semiconductor - slice cleaving
02/28/1995US5393706 Integrated partial sawing process
02/28/1995US5392758 Bracing device for the blades of a saw mill, saw mill using a device of this type
02/21/1995US5391036 Magnetic transfer device
02/07/1995US5387776 Method of separation of pieces from super hard material by partial laser cut and pressure cleavage
01/1995
01/24/1995US5383444 For cutting a workpiece into slices
01/11/1995EP0633086A1 Inner diameter saw slicing machine
01/03/1995US5377568 Device for controlling the cutting geometry of fine slices obtained by thread sawing
12/1994
12/25/1994CA2126111A1 Wafer-like processing after sawing dmds
12/20/1994US5374564 Process for the production of thin semiconductor material films
12/08/1994WO1994027930A1 Ceramic sintered body and method of processing surface of body
11/1994
11/29/1994US5369060 Method for dicing composite wafers
11/17/1994EP0624423A2 Method of separation of pieces from super hard material
11/08/1994US5362681 Method for separating circuit dies from a wafer
10/1994
10/25/1994US5358590 Method of manufacturing individual element arrays
10/18/1994CA2001934C Rod assembly for manufacturing large wafers for electronic devices
10/04/1994US5351446 Method and apparatus for the rotary sawing of brittle and hard materials
09/1994
09/21/1994EP0615824A1 Magnetic transfer device
09/14/1994CN1092013A Method of splitting ceramic substrate and splitting device
09/07/1994EP0613765A1 Method for the manufacture of subdividable tiles from a brittle material and device for fixing and grinding the edges of the tiles
08/1994
08/17/1994EP0610967A2 Slicing machine
08/17/1994EP0610657A2 Integrated partial sawing process
08/17/1994EP0610563A2 Semiconductor ingot machining method
07/1994
07/26/1994US5332406 Apparatus for producing semiconductor device
07/19/1994US5329733 Wafer slicing and grinding machine and a method of slicing and grinding wafers
07/05/1994US5325840 Watch crystal cutting machine
06/1994
06/29/1994EP0604061A1 Semiconductor fabrication
06/16/1994DE4342078A1 Ultrasonic machining sonotrode mfg. system for dental prosthesis mfr - uses negative mould of ultrasonic sonotrode crown to mfr. machining sonotrode
06/14/1994US5321303 Semiconductor device having linearly arranged semiconductor chips
06/08/1994EP0599937A1 Method and apparatus for cleaving semiconductor wafers.
05/1994
05/24/1994US5314844 Forming a groove in parallel to the crystal plane by grinding-cutting, breaking along the scribe line and the groove
05/24/1994US5313742 Highly rigid composite shaped abrasive cutting wheel
05/24/1994US5313741 Method of and an apparatus for slicing a single crystal ingot using an ID saw slicing machine therein
05/10/1994US5310104 Method and apparatus for cleaving a semiconductor wafer into individual die and providing for low stress die removal
04/1994
04/19/1994US5303687 Blade mount for an inner diameter saw blade
03/1994
03/31/1994DE4332065A1 Ceramic tooth prosthesis mfg system - using ultrasonic machining process with two successively activated profiled sonotrode crowns
03/23/1994EP0588681A1 Method for cutting a wafer hard to cut
03/02/1994EP0584670A1 Ultrasonic cutting device
03/01/1994CA2104428A1 Cutting device
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