|
Match
|
Document |
Document Title |
|
|
8038048 |
Cold weld
A cold weld is formed in a multilayer material. A first pin is coupled to a first block. A second pin is coupled to a second block. The multilayer material is disposed between the first pin and the...
|
|
|
7959057 |
Tool and method for assembling metal parts by impacting with the aid of a magnetic force using two electromagnetic coils movable with respect to each other
A tool for assembling a part made of a ferromagnetic material with a part made of a paramagnetic material. The tool includes a first tool part including a first abutment and a first electromagnetic...
|
|
|
7677430 |
Cold-pressure welding method and metal product welded by the method
A welded metal product includes a first metal plate having a first surface and a second surface opposed to the first surface; and a second metal plate being cold-pressure welded with the second...
|
|
|
6921013 |
Method and apparatus for performing a magnetic pulse welding operation
A pair of metallic components are co-axially aligned prior to full energization of the magnetic pulse welding inductor to provide for improved control of the magnetic pulse welding process. To...
|
|
|
6513695 |
Terminal pressure-welding apparatus
A terminal pressure-welding apparatus is provided, which includes: a first pattern; a second pattern facing the first pattern, one of the first and second patterns is provided approachably and...
|
|
|
6371353 |
Pressure welding apparatus and pressure welding method
A pressure welding apparatus includes a pressing die assembly 50 which has a plurality of stuffers 54 that pressure-weld electric wires 45 to the pressure-welding parts 34 of contacts 30, and a...
|
|
|
6352787 |
Method for producing an insulating pack for an insulating part
The invention relates to a method for producing an insulating pack (10), according to which a stack (9) of metallic lamellae is cold-welded simultaneously along a predefined contour and separated...
|
|
|
6193138 |
Pressure welding device and method for terminals
A terminal pressure welding device and method are provided. In this improved device and method, a pair of wires are pushed into a space between a pair of barrels by a wire holding member, and the...
|
|
|
6065552 |
Cutting elements with binderless carbide layer
An earth-boring bit has cutting elements inserted within holes in the cutter support. The cutting element has a body of a fracture-tough material, preferably tungsten carbide which contains a...
|
|
|
5897927 |
Seal for vacuum devices and methods for making same
A method for permanently sealing an ultra-high vacuum within a glass enclosure. This is accomplished by first forming a hole, either in one of the flat plates that form the enclosure or in one of...
|
|
|
5549237 |
Apparatus and method for cold welding thin wafers to hard substrates
An apparatus for coating and bonding parts in a vacuum includes a floating mount assembly holding one part and applying a bonding load to the parts. A pivoting mount assembly holds one part and is...
|
|
|
5261589 |
Apparatus for cold butt welding of thin wire
Apparatus for cold butt welding of wire provides a die made in one or two pieces with square or angled ends. Its four members can move in both horizontal and vertical directions and still maintain...
|
|
|
5148958 |
Thin film vacuum cold welding system
A cold welding system in which a dual sputtering device is rotated into a coating position between two stationary aligned substrates on a press and simultaneously coats both substrates and then is...
|
|
|
5147085 |
Cold pressure welding method and machine
The machine is provided with a set of two pairs of die halves 60, 62 (FIG. 7) mounted in a framework on hydraulically actuated piston and cylinder assemblies. The die halves 60 and 62 of each pair...
|
|
|
5116228 |
Method for bump formation and its equipment
A method and apparatus is provided for forming bumps on a plurality of IC chips arranged in a checkered pattern on a wafer. The bumps are formed from bump bases fixed to each IC chip. A forming...
|
|
|
4896813 |
Method and apparatus for cold rolling clad sheet
Metals to be bonded are drawn from pay-off reels and passed around holding rollers which are grounded cathodes, each roller being partially exposed in an etching chamber having an anode area at...
|
|
|
4844320 |
Control system and method for vibration welding
A displacement transducer is used to continuously monitor the distance between two fixtures securing parts to be welded. The signal from the displacement transducer is used to stop the welding...
|
|
|
4821412 |
Method of producting an electric contact
A method of production of an electric contact including a contact base member of one metal and a contact member of another metal of hardness lower than that of the contact base member joined to the...
|
|
|
4815648 |
Hand-held cold pressure weld device
A hand-held welding device utilizes a multiple upset cold pressure welding technique to join abutting end surfaces of a pair of wire members. The welding device includes a pair of spaced-apart,...
|
|
|
4772498 |
Silicon carbide capillaries
A capillary for use in ball bonding tools designed to bond metal leads to the bonding pads on a microchip and pads or leads on a chip support is formed by chemically vapor depositing a...
|
|
|
4744502 |
Process for the production of tri-metallic contact rivets
There is described an improved process for the production of tri-metallic contact rivets, in the course of which a cylindrical slug is formed with increased diameter under constant plastic...
|
|
|
4709844 |
Pressure welding bonding apparatus
The bonding apparatus has a holding device, a pressing device for pressure welding substances to be bonded to each other, and a superhigh vacuum bonding chamber provided with the holding device and...
|
|
|
4619396 |
Cold pressure-welding apparatus
A cold pressure-welding apparatus has a pressure-welding load detector and a displacement detector for detecting the displacement of pressure-welding parts which are mounted on a cold...
|
|
|
4614292 |
Die bonder with electrically driven scrubbing means
A die bonder for bonding a semiconductor die to a substrate is disclosed. The die bonder comprises a support assembly within a frame, which assembly supports an arm. Attached to said arm is a means...
|
|
|
4468161 |
Sheet carrying a welded nut
In a preferred embodiment, a metal nut compacted and welded within the thickness of a metal sheet, within a sheet-aperture of lesser diameter than a top of the nut, spaced-apart compacted edge...
|
|
|
4429458 |
Method for making composite electrical contact welded in situ to supporting metal, and apparatus therefor
Immediately after a composite electric contact is made from wires by cold welding and in a manner as it has been cold welded, it is brought onto a supporting metal and subjected to pressure and...
|
|
|
4281786 |
Method of pressure fusing a nut to a support sheet and product thereof, and machinery for practicing the method
A pressing machine has opposingly spaced-apart compacting surfaces movable toward each other to weld malleable metal of a metal sheet having a nut-receiving circular aperture therethrough, into a...
|
|
|
4269900 |
Solderless capillary chips
A solderless capillary chip formed of a corundum-system precious stone such as ruby or sapphire, for use in electrical windings and the like. The inner bore of the chip is enlarged adjacent the...
|
|
|
4232812 |
Apparatus for making a tri-metallic composite electrical contact
A tri-metallic electrical contact consisting of a head wire piece and a base wire piece which abut to an intermediate piece at its opposite ends, is produced by cold press operations performed by...
|
|
|
4073425 |
Method of and apparatus for manufacturing double contact rivets
A double-contact rivet is formed from wire portions cut from wire supplies. The wire portions are aligned so that outer portions of electric contact material are located on either side of a central...
|
|
|
4066200 |
Die placement tool or the like
A mechanism having first means for moving a tool or the like in an up and down direction and second means for moving such device in a fore and aft direction. The mechanism is suitable for a number...
|
|
|
4029252 |
Apparatus for making a copper-aluminum transition joint
An apparatus for making a copper-aluminum transition joint characterized by utilizing a combination die and metal shears mounted between a pair of abrading brushes and wire feeding devices that are...
|
|
|
4019668 |
Mechanism and method for moving tool or the like
A tool for transfering a semiconductor die from one location to the other is mounted in a holder comprised of a shaft which is normally horizontally disposed and extends forwardly from a plate...
|
|
|
4014494 |
Cold butt-welding machine
Machine for cold butt welding of metal blanks, wherein one of the blank clamping devices mounts on its housing a carriage with blades for cutting off the ends of the blanks, adapted for possible...
|
|
|
RE29012 |
Cable welding tool
A tool for cold pressure welding workpieces such as coaxial cables together. The tool has a compact arrangement so that it may be hand held and operated. A hydraulic pump and motor are incorporated...
|
|
|
3946928 |
Adjustable die for coldwelding machine
An adjustable die set for a coldwelding machine that is adjustable to facilitate its use with workpieces of varying dimensions. Specifically the die set includes pairs of dies having a screw...
|
|
|
3921884 |
Beam lead tool
The beam lead tool is for picking up and bonding semi-conductor wafers or dice to a substrate and includes an accommodating recess in which the wafer is positioned and a suction duct for permitting...
|
|
|
3913818 |
Device for preparing integrated microcircuits for printed wiring
A device for preparing integrated microcircuits for printed wiring, comprising a male die, a female die, a solder supply unit and blades for cutting microcircuit leads. The female die is...
|
|
|
3847323 |
FLASH REMOVAL MECHANISM
A die set for a coldwelding machine or the like that is particularly adapted for removing the flash or upset material from around the welded area. The die set includes dies having first workpiece...
|
|
|
3837558 |
HYDRAULICALLY OPERATED BUTT WELDER
A tool for cold pressure welding workpieces such as coaxial cables together. The tool has a compact arrangement so that it may be hand held and operated. A hydraulic pump and motor are incorporated...
|
|
|
3819104 |
APPARATUS FOR COMPRESSION AND COLDWELDING OF STRIPPED ENDS OF MULTI-CONDUCTOR CABLE
This disclosure is directed to a method and means for compression and coldwelding of stripped ends of flat, insulated, multi-conductor cable, the conductors of which are usually, but not always,...
|
|
|
3768718 |
FINE WIRE BUTT WELDER
A fine wire welding machine for cold butt welding small diameter wires through a multiple upset technique. The machine includes a loading mechanism for accurately positioning the fine wire strands...
|
|
|
3762623 |
PRESSURE WELDING APPARATUS
An apparatus for cold welding at least one electrical lead on a strip of electrically conductive material which is adapted to be wound in coil form to make a strip conductor coil. The apparatus has...
|
|
|
3752382 |
APPARATUS FOR WELDING A COVER TO A TUBULAR CERAMIC HOUSING
A hermetically sealed enclosure for a semiconductor device and a method and apparatus for making same is disclosed. A tubular ceramic housing is provided with an integral die on one end. A cold...
|
|
|
3724739 |
APPARATUS FOR FREQUENCY ADJUSTING AND ASSEMBLING MONOLITHIC CRYSTAL FILTERS
Sealed piezoelectric crystal devices with desired frequency response characteristics are manufactured by treating and sealing each crystal in a vacuum environment within a common apparatus housing....
|
|
|
3718272 |
BONDING TIP
A bonding tip and method is disclosed for making an extremely strong tailless wire bond on a contact pad of a semiconductor device without significantly reducing the connected unbonded wire...
|
|
|
3715070 |
COLD WELDING MACHINE
A cold welding machine which includes a special transformer adapted to carry out two functions, one of which is the upsetting of metal pieces to be bonded, and the other of which is the releasing...
|
|
|
3713574 |
PRESS TOOL ASSEMBLIES
A press tool assembly comprises a tool holder for mounting on a press mechanism at one end with an axis of the holder extending in the direction of operation of the press mechanism and a plurality...
|
|
|
3700156 |
BONDING HEAD FOR BONDING BEAM LEADED DEVICES TO A SUBSTRATE
An improved beam leaded bonding method and head wherein a bonding surface is caused to individually and successively contact and bond each of a plurality of electrical leads projecting from around...
|
|
|
3698620 |
APPARATUS FOR CONNECTING LEAD PORTIONS OF A LEAD FRAME TO RESPECTIVE PADS ON A CHIP
Wire bonding is eliminated in the assembly of a micro-electronic chip having bonding pads by a process involving the direct bonding of the bonding pads to the ends of respective inwardly extending...
|