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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...
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3717842 |
METHOD OF CONNECTING ALUMINUM WIRE TO ELECTRICAL TERMINALS
A method of connecting conventional electrical terminals having at least non-aluminum portions, such as nickel-plated steel, to solid or stranded aluminum wire so that aluminum oxide on the...
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3711341 |
METHOD OF MAKING SINTERED METAL ULTRASONIC BONDING TIPS
An ultrasonic bonding tip fabricated of sintered metal, preferably stainless steel. The tips are particularly useful in the bonding of wire and ultrafine wires to other conductive metal surfaces....
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3702948 |
ULTRASONIC MOTORS AND SCISSORS
An ultrasonic motor construction wherein the compressional wave mechanical energy is transmitted through a transmission member into flexural vibrational wave energy to a working tip or surface...
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3700155 |
APPARATUS FOR IMPROVING ALIGNMENT OF BEAM LEADED BONDING TOOLS
An improved bonding tool and method permitting improved accurate relative alignment of a bonding tool, a beam leaded device and a substrate onto which electrical leads from the beam leaded device...
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3698618 |
FACE BONDING MACHINE
This disclosure discloses a method of bonding and a face bonding machine adapted to bond an integrated circuit die having a plurality of electrodes thereon to a substrate having a plurality of...
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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...
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3697873 |
METHOD FOR DETERMINING EXCESS CARRIER LIFETIME IN SEMICONDUCTOR DEVICES
Described is a method for excess carrier lifetime testing of semiconductor materials by the use of ultrasonically soldered contacts in obtaining open-circuit voltage decay measurements. The method...
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3695500 |
CONTRA-RESONANT ANVIL
Apparatus and method are disclosed for welding metal members by means of vibratory energy. Reliability of such welding apparatus is improved by provision of an anvil designed for regulated response...
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3695502 |
BONDING TOOL
A microcircuit wafer or die bonding tool for use in microcircuit bonding apparatus to transport, locate and orient a microcircuit wafer. A working surface within the tip of the tool is...
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3690538 |
BONDING TOOL
This disclosure relates to tools for use in ultrasonic or thermocompression bonding devices for bonding fine wires on conductive materials, particularly semiconductor devices. It is characterized...
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3670944 |
MINIATURE ULTRASONIC BONDING DEVICE
An ultrasonic bonding system is arranged so that the magneto-strictive transducer is situated above and at right angles to a bonding tip. The transducer is held by a mounting means and lateral...
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3670394 |
METHOD OF CONNECTING METAL CONTACT AREAS OF ELECTRIC COMPONENTS TO METAL CONDUCTORS OF FLEXIBLE SUBSTRATE
The metal contact areas of electric components, for example, semiconductor bodies, are connected to metal conductors of a flexible substrate by orienting the contact areas relative to the...
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3666907 |
APPARATUS FOR ASSEMBLING FLAT PACKS
Apparatus for connecting the bases and lids of flat packs including a dry box, flat pack handling mechanism inside of the box, an infra-red heat source outside of the box with its energy...
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3661661 |
SONIC WELDING APPARATUS HAVING UNIVERSAL ALIGNING MEANS
This application discloses an apparatus and method for sonically welding a plurality of thermoplastic relatively flat members or plates. A sonic signal producing element or horn presses and imparts...
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3659770 |
CIRCUIT BONDING MEANS
This disclosure relates to improvements in methods and in means for accomplishing electrical wiring. The method makes use of a bonding tool which is capable of furnishing energy sufficient to bond...
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3657802 |
METHOD AND APPARATUS FOR SECURING METAL MOUNTING ELEMENTS ON A GLASS SURFACE
A method of securing metal fasteners to the surface of a glass object, particularly a spectacle lens, which comprises the steps of applying against said surface, with a predetermined and adjustable...
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3657056 |
ULTRASONIC SUTURING APPARATUS
The invention deals with the method and apparatus for forming sutures utilizing ultrasonic vibrational energy as well as the sutures formed thereby. The sutures are formed in biological organisms,...
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3654041 |
SONIC WELDING APPARATUS UTILIZING VIBRATION DAMPENING MEANS
This application discloses an apparatus and method for the sonic welding of one or more flexible or vibratable blades with a blade portion of each blade held by two or more plastic holding members...
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3650454 |
DEVICE FOR BONDING WITH A COMPLIANT MEDIUM
The bonding of two workpieces by ultrasonic or thermocompression techniques requires the use of a rigid bonding tip or ram to transmit the bonding energy, whether it be vibratory, mechanical and/or...
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3646307 |
WIRING APPARATUS
Apparatus for automatically bonding wires to spaced terminals has forming means for moving the end of a length of wire into a bonding position with the end thereof presented between the jaws of a...
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3639969 |
METHOD AND DEVICE FOR MAKING AND FINISHING ZIP FASTENERS
Method of manufacturing and finishing a zip fastener from a section taken from a continuous chain comprising two rows of coupling members of synthetic material carried by a pair of parallel tapes....
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3628716 |
ULTRASONIC WELDING DEVICE WITH A SUCTION ROD FOR TREATING MICROSEMICONDUCTOR BLOCKS
An ultrasonic welding device that includes a welding rod with an axial channel extending to the welding tip. A hollow needle is slidably supported within the channel so that one end extends beyond...
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3628071 |
MECHANICAL AMPLITUDE TRANSFORMER
A mechanical amplitude transformer for use with sonic or ultrasonic energy comprises two members of different density material joined to each other by a metallurgical bond and dimensioned to...
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3627192 |
WIRE LEAD BONDING TOOL
A bonding tool for wire lead bonding including a relatively stiff shank, a wire guide and a bonding tip of relatively hard, slightly ductile, inert material.
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3618566 |
APPARATUS FOR METAL WETTING LINERS
A sonic vibratory apparatus for wetting the outer surface of a ferrous metal article located in a bath of molten nonferrous metal, and including an elongated bar, one end of which supports a pair...
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3614484 |
ULTRASONIC MOTION ADAPTER FOR A MACHINE TOOL
An ultrasonic motion adapter for a machine tool comprises two elongated coaxially disposed members coupled to each other with one of the members being adapted to oscillate as a half wavelength...
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3612385 |
ULTRASONIC WELDING TOOLS
In an ultrasonic welding tool of the kind comprising a relatively fixed frame, which supports an assembly including a transducer for converting electrical energy into ultrasonic vibrations, and a...
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3610506 |
METHOD FOR ULTRASONICALLY WELDING USING A VARYING WELDING FORCE
An improvement in ultrasonic welding is effected by progressively increasing the welding force and then applying the ultrasonic energy so that a portion of the ultrasonic welding period occurs...
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3608809 |
APPARATUS FOR UNIFORM MULTIPLE-LEAD BONDING
A viscous medium such as a heavy grease or molten solder is sealed in a chamber by a diaphragm to provide a compensating bonding tip and/or a compensating base. As bonding pressure is applied to a...
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3607580 |
TOOL HAVING PENETRATION LIMITING MEANS FOR JOINING THERMOPLASTIC PARTS BY SONIC OR ULTRASONIC ENERGY
A solid horn for sonic or ultrasonic energy transfer is provided with a sleeve assembly adapted to engage the workpiece to which the horn transfers energy. The sleeve assembly limits the...
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3602421 |
SONIC WELDING TOOL
A portable ultrasonic welding tool is fitted with a set of handles and a clamped-on device having a movable member which, responsive to fluid pressure, can be brought toward the frontal end of the...
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3602420 |
ULTRASONIC BONDING DEVICE
An ultrasonic bonding system is arranged so that the ultrasonic transducer is situated above and parallel to a bonding tip. A bellcrank functions to change the vibratory motion of the transducer,...
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3601084 |
ULTRASONIC-VIBRATION-TRANSMITTING MEMBER
A vibration-transmitting member having large dimensions in planes perpendicular to the direction of vibration transmitted and adapted to be resonant in the sonic or ultrasonic frequency range is...
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3593906 |
CONDUCTOR HANDLING AND BONDING SYSTEM
A system for positioning and attaching small conductors to precise locations on a densely packed circuit board utilizes an ultrasonic-bonding element, within the tip of which are incorporated...
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3586122 |
SONIC APPARATUS WITH SONIC ENERGY BARRIER MEANS
A sonic apparatus includes a sound-absorbing enclosure which is coupled to motive means for enclosing during the sonic energy transfer cycle a substantial part of the tool and workpiece in order to...
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3581969 |
APPARATUS FOR ACCOMPLISHING SONIC FUSION WELDING AND THE LIKE INVOLVING VARIABLE IMPEDANCE LOAD FACTORS
Parts to be welded together are supported with the surfaces to be joined in contact with one another. A resonator member is coupled to at least one of the parts and an orbiting mass oscillator is...
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3580460 |
THERMOCOMPRESSION BONDING APPARATUS
A thermocompression bonding apparatus having a plurality of slidably disposed, independently operable impact surfaces. A plurality of pistons are slidably disposed in a housing, and each include...
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3575333 |
BEAM-LEAD BONDING APPARATUS
An apparatus for alternately or sequentially connecting electrical leads of a beam-lead device to a carrier. A bonding tool is mounted in a housing and is pivoted about a focal point at the working...
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3573781 |
MONITORING CIRCUIT FOR SONIC APPARATUS
A sonic or ultrasonic apparatus, actuated for a predetermined time interval, is provided with a control circuit for producing a signal if the energy delivered during such interval is either of too...
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3563443 |
PNEUMATIC FORCE-EXERTING SYSTEM
A system for exerting force in ultrasonic or thermocompression bonding of semiconductor structures. Clamping and leveling pneumatic pistons both supply a combined force initially to level...
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3552629 |
METHOD AND MACHINE FOR FORMING LAP WELDED ALUMINUM CAN BODIES
Method and apparatus for forming lap welded can bodies by wrapping rectangular metal blanks about a cylindrical forming horn and welding the overlapped joint portions ultrasonically while the blank...
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3543988 |
APPARATUS FOR CONTROLLING THE MOTION OF A WIRE BONDING TOOL
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3541675 |
SEMICONDUCTOR CIRCUIT CHIP SUPPORT APPARATUS AND WELDING CHUCK THEREFOR
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3531852 |
METHOD OF FORMING FACE-BONDING PROJECTIONS
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3529660 |
SOLID HORN WITH COOLING MEANS
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3528410 |
ULTRASONIC METHOD FOR RETINAL ATTACHMENT
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3526219 |
METHOD AND APPARATUS FOR ULTRASONICALLY REMOVING TISSUE FROM A BIOLOGICAL ORGANISM
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3523845 |
METHOD AND APPARATUS FOR JOINING A SERIES OF ELEMENTS TO A WORKPIECE BY ULTRASONIC ENERGY
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3521348 |
METHODS AND APPARATUS EMPLOYING TORSIONAL VIBRATORY ENERGY FOR WRENCHING
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