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7134946 |
Apparatus to treat and inspect a substrate
An apparatus for treating a substrate with a cryogenic impingement fluid includes a protective enclosure defining an internal cavity, a cryogenic fluid applicator positioned within the internal...
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7063596 |
Vibratory material removal system, tool and method
Material is removed from objects to be marked or machined by applying tools having cutouts arranged in a pattern on the objects, filling the cutouts with abrasive particles, pouring a molten metal...
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6932670 |
Signaling system for sandblasting
A sandblasting operation includes a nozzle ( 10 ) which receives sand from a pot ( 12 ). A signaling system ( 20 ) for the sandblasting operation includes a first switch ( 22 ) to initiate the...
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6910937 |
Method for forming fine barrier, method for fabricating planar display and abrasive for blast
A method of forming fine partition walls by which fine partition walls with stable shape can be formed with good processing accuracy and at good grinding efficiency by a jet processing technique, a...
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6634928 |
Fluid jet cutting method and apparatus
A fluid jet cutting method and apparatus for cutting an object from a sheet. In one embodiment, a fluid jet stream is directed against a glass sheet to cut an annular disk substrate for use in a...
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6612910 |
Liquid crystal glass substrate, method of cutting the liquid crystal glass substrate, cutter for the liquid crystal glass substrate and display using the liquid crystal glass substrate
A liquid crystal display device, a liquid crystal display device cutting method, and a liquid crystal display device cutting apparatus that prevents damaging attached flexible conductive lines by...
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6422920 |
Methods of obtaining a pattern of concave spaces or apertures in a plate
The present invention relates to a method of obtaining a pattern of concave spaces or apertures in a plate or layer of a brittle-like material, in which method a jet of abrasive powder particles...
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6419566 |
System for cleaning contamination from magnetic recording media rows
A system having an array of nozzles is used to clean fabricated rows of magnetic heads. Each nozzle contains a pair of concentric tubes. The inner tube of the nozzle discharges a plume of fine dry...
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6416390 |
Methods and apparatus for sandblasting fiber optic substrates
Methods and apparatus for marring a surface of a fiber optic substrate by sandblasting one or more sides of the substrate during movement of the substrate past one or more sandblasting nozzles to...
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6146466 |
Use of electrostatic bias to clean non-electrostatically sensitive components with a carbon dioxide spray
An apparatus and method that enhances removal of contaminating particles from surfaces of a non-electrostatically sensitive components that are cleaned using a carbon dioxide cleaning spray. The...
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6120351 |
Automatic machinability measuring and machining methods and apparatus therefor
A method for measuring the machinability of a material which includes piercing a hole through a material to be tested while simultaneously measuring a pierce time duration, T, of the piercing step,...
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5989355 |
Apparatus for cleaning and testing precision components of hard drives and the like
Apparatus for cleaning, assembling, testing and inspecting contamination sensitive hardware. The apparatus includes an environmental process enclosure having an inner processing chamber, and a...
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5947796 |
Method of fine grain milling and machine therefor
A fine grain milling method mixes powder into a high-pressure fluid, and injects the mixture to a work material covered with a mask to form the work material to a desired shape. In addition, the...
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5928434 |
Method of mitigating electrostatic charge during cleaning of electronic circuit boards
A method is provided for cleaning an electronic circuit board having first and second opposing surfaces. The method includes directing a stream of carbon dioxide particles against the first...
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5865901 |
Wafer surface cleaning apparatus and method
A substrate cleaning assembly (10) and method for removing contaminant substances (11) from a surface (12) of a substrate (13) employed in microelectronics manufacturing. The cleaning assembly (10)...
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5837064 |
Electrostatic discharge protection of static sensitive devices cleaned with carbon dioxide spray
An apparatus and method that enhances removal of contaminating particles from surfaces of a static-sensitive components that are cleaned using a carbon dioxide cleaning spray produced by a jet...
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5833516 |
Method of manufacturing a plate of electrically insulating material having a pattern of apertures and/or cavities
After a plate of electrically insulating, particularly hard and brittle material has been provided with a mask having a very large number of patterned apertures, it is exposed to at least one jet...
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5827114 |
Slurry blasting process
A slurry blasting process employing a liquid carrier medium such as water contains a dispersed water-soluble particulate abrasive to enhance blast cleaning efficiency. Slurry blasting is performed...
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5804009 |
Method of providing a pattern of apertures and/or cavities in a plate or layer of non-metallic material
After a plate or layer of non-metallic, particularly hard and brittle material has been provided with a (metal) mask having a plurality of apertures arranged in a pattern, it is exposed to at least...
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5766368 |
Integrated circuit chip module cleaning using a carbon dioxide jet spray
A method of cleaning an integrated circuit chip module prior to attaching wire bonds thereto. The method involves disposing a module containing an integrated circuit chip and IC bond pads without...
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5701659 |
Method of making a thin film thermal printhead
A thin film thermal printhead is provided which comprises a head substrate having a first longitudinal edge and a second longitudinal edge, a glaze layer formed on a surface of the head substrate,...
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5651834 |
Method and apparatus for CO.sub.2 cleaning with mitigated ESD
An object (12) may be cleaned by CO 2 reduced ESD by directing a first water mist (23) at a surface (14) of the object while imparting a relative motion between the object board and the mist to...
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5533922 |
Method and apparatus for pretreating electronic component manufacturing frame
A method is provided for pretreating an electronic component manufacturing frame which is prepared by punching. The method comprises blasting abrasive particles entrained in a high speed air stream...
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5409418 |
Electrostatic discharge control during jet spray
An improved apparatus and method adapted for use in removing trace contaminants from the surface of a chosen substrate, such as delicate surfaces or precision parts, by application of a stream or...
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5367840 |
Method and system for the abrasive cleaning of surfaces
A system for abrasively cleaning surfaces such as by sandblasting and including a vacuum arrangement for recovering the material abrasively removed from the surface as well as the abrasive material...
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5364472 |
Probemat cleaning system using CO.sub.2 pellets
A system for cleaning test probes attached to a probe mat fixture by propelling CO 2 pellets at the test probes, by rotating the fixture so that the pellets impact different sides of the test...
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5196034 |
Semiconductor wafer cleaning apparatus
A semiconductor wafer cleaning apparatus provided with an ice making unit and a jet nozzle for ejecting fine ice particles against a wafer held within a cleaning vessel includes an exhaust chamber...
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5133160 |
Process for the removal of specific crystal structures defects from semiconductor discs
The invention relates to an improved method for removing point defects and oint defect clusters from semiconductor discs, which defects impair the quality of electronic components or structural...
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5105588 |
Method and apparatus for simultaneously forming a plurality of openings through a substrate
An improved method and apparatus for abrasive jet machining. A special spray nozzle unit is provided which is mounted within a cavity in a retaining block. Each nozzle unit is preferably made of...
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5052155 |
Apparatus for the treatment of articles by high velocity impacting thereof with a particulate abrasive material
A method is provided for soldering using tin-containing solder to substrate surfaces that are gold plated wherein a selected portion of the gold plated surface is treated by impacting with a high...
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4974375 |
Ice particle forming and blasting device
A solid surface cleaning device utilizes a jet of ice particles of ultrapure water for removing contaminants from a surface of a solid such as a semiconductor wafer. The electrical resistivity of...
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4917708 |
Deburring and cleaning apparatus with multi-station rotary drum and reciprocating blasting guns
A blasting apparatus for cleaning and deburring workpieces having a housing defining a blasting chamber therein. A rotary drum within the chamber is supported for rotation about a horizontal axis....
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4896464 |
Formation of metallic interconnects by grit blasting
This invention relates to a ceramic module and to methods for forming protruding, upstanding electrically conducting pins by the selective abrasion of a surface 18 of a multilayered ceramic module...
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4893440 |
Abrasive jet machining
Apparatus for developing and handling an abrasive-laden gas stream for abrasive jet machining, employing equipment for storage, feeding, and control of abrasive powder in a carrier jet delivered...
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4848042 |
Fluid jet cutting system with standoff control
A system for closely controlling the standoff distance of a nozzle in a remotely controlled fluid jet abrasive cutting system. The system comprises a head assembly having a support section and a...
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4738056 |
Method and blasting apparatus for preparation of silicon wafer
A process and apparatus for improving the finishing of silicon wafers intended for use as a base plate of an I.C. device. After the wafer has been cut from a silicon crystal and initially ground,...
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4679359 |
Method for preparation of silicon wafer
A process for improving the finishing of silicon wafers intended for use as a base plate of an I.C. device. After the wafer has been cut from a silicon crystal and initially ground, then a slurry...
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4561219 |
Process and apparatus for finishing electronic device
A machine for finishing lead frames for integrated circuits, including a first rotatable turntable, and a plurality of first cassettes mounted thereon in angularly spaced relationship, each first...
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4555876 |
Process and apparatus for finishing electronic device
A machine for finishing lead frames for integrated circuits, including a first rotatable turntable, and a plurality of first cassettes mounted thereon in angularly spaced relationship, each first...
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4535576 |
Anti-static process for abrasive jet machining
Abrasive jet machining apparatus employs a stream or mist of electrically grounded solution of a conducting electrolyte directed at or adjacent the work removal site of a workpiece to...
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4395849 |
Automatic frequency adjusting method for mechanical resonators
A method for automatic frequency adjustment of mechanical resonators, in which plural target frequencies are specified spaced across the distribution curve of the initial resonance frequencies of...
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4346537 |
Capacitor trimming system in a quartz-crystal oscillator
A capacitor trimming system for a quartz-crystal oscillator in a watch and/or a clock for providing a punctual watch and/or a clock has been found. The system comprises an oscillation circuit...
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4287689 |
Method for improving the quality of low frequency output of a video disc pickup stylus
The quality of the low frequency signals recovered by a playback stylus may be improved by removing non-electrode metal deposits. A stream slurry lapper with a slurry of alumina in water can be used.
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4281484 |
System for precisely and economically adjusting the resonance frequence of electroacoustic transducers
The resonance frequency of an electroacoustic transducer is precisely and quickly adjusted by the continuous removal of material from the vibratile surface while the resonance frequency is...
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4063910 |
Apparatus for automatically adjusting the frequency of piezoelectric resonators in the form of bars or plates
Apparatus for automatically adjusting the frequency of a piezoelectric reator in the form of a bar or plate includes circuitry for applying a voltage to the resonator to cause it to resonate,...
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4062154 |
Process for automatically adjusting the frequency of piezoelectric resonators in the form of bars or plates
A process for automatically adjusting the frequency of a piezoelectric reator in the form of a bar or plate includes the steps of applying a voltage to the resonator to cause it to resonate,...
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3992819 |
Apparatus for equalizing the resistance value of an electrically conductive layer
Apparatus for equalizing the electrically effective value of an electrically conductive layer is described wherein the equalization is effected by a tool, such as a sand-blasting device or laser...
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3953941 |
Method and apparatus for making a groove in a semi-conductor element
A method and apparatus for forming a groove in a semiconductor element with at least two junctions between regions of alternating opposite conduction types and different doping concentrations and...
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3866357 |
ABRADING APPARATUS
Abrading apparatus, including a conduit for conducting a mixture of pressurized gas and abrasive powder, is provided with a pressure-tight enclosure for containing leaks from the conduit, also a...
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3808752 |
METHOD OF AUTOMATICALLY ADJUSTING THE FREQUENCY OF CRYSTAL RESONATORS
A method of tuning a mechanical resonator comprising reducing a dimension of the resonator to thereby change its resonant frequency, measuring the resonant frequency of the resonator while said...
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