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Patent # Description
US-5,342,727 Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene in admixture with a photosensitizer to...
A copolymer of (a) an unsubstituted 4-hydroxystyrene monomer and (b) a substituted 4-hydroxystyrene monomer of the formula ##STR1## wherein A, B, C, and D...
US-5,329,505 System and method for overwriteable magneto-optical recording
A system and method for overwriteable magento-optical recording comprises a medium having a data layer and a reference layer. The medium is heated with a laser...
US-5,325,265 High performance integrated circuit chip package
A high performance integrated circuit chip package includes a support substrate having conductors extending from one face to the opposite face thereof and a...
US-5,325,264 Device for removing a direct access storage device from a personal computer
This disclosure relates to a personal computer apparatus and a device for removing a direct access storage device from a personal computer. More particularly,...
US-5,313,589 Low level device interface for direct access storage device including minimum functions and enabling high data...
A controller device interfacing method and a low level device interface are provided for use between at least one controller and a plurality of devices in a...
US-5,310,602 Self-aligned process for capping copper lines
The present invention features a process and a resulting article in which copper-based multilevel interconnects are fabricated. The copper-based multilevel...
US-5,308,801 Process for the increase in critical temperature of high T.sub.c superconductors
A method is disclosed to increase the critical transition temperature of superconducting materials by the selective application of stress to specific crystal...
US-5,305,184 Method and apparatus for immersion cooling or an electronic board
A liquid heat sink is provided that employs natural convection of a liquid coolant (18') to cool a printed circuit board (14) on which are mounted a plurality of...
US-5,301,297 Method and means for managing RAID 5 DASD arrays having RAID DASD arrays as logical devices thereof
A method and apparatus teaching insertion of addressing indirection to form and to access an array hierarchy expressly permitting the concurrency of a high level...
US-5,294,772 Debris control system
A debris control system is provided for an electron-beam drilling apparatus having a chamber encompassing a drilling area and a calibration area. The debris...
US-5,291,597 Method to provide concurrent execution of distributed application programs by a host computer and an...
A method for processing distributed application programs in SNA type networks employing LU 6.2 protocols, including an information processing system having a...
US-5,278,838 Recovery from errors in a redundant array of disk drives
Fault tolerance in a redundant array of disk drives is degraded when error conditions exist in the array. Several methods for rebuilding data of the array to...
US-5,274,363 Interactive display system
An interactive display system including: a first display; a movable display device having a second display which is substantially smaller than the first display,...
US-5,267,471 Double cantilever sensor for atomic force microscope
An atomic force microscope that performs both atomic force and surface potential measurements on a sample comprises a conductive probe beam that includes two...
US-5,261,063 Pipeline apparatus having pipeline mode eecuting instructions from plural programs and parallel mode executing...
A pipeline data processor is simultaneously operable in a pipeline mode, a parallel mode and a vector mode which is a special case of the pipeline mode. Each...
US-5,260,952 Fault tolerant logic system
A logic system including a first logic block for providing first differential outputs; a second logic block, identical to the first logic block, for providing...
US-5,258,236 Multi-layer thin film structure and parallel processing method for fabricating same
A method and apparatus for releasing a workpiece from a substrate including providing a substrate which is transparent to a predetermined wavelength of...
US-5,251,210 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth...
Low bandwidth telecommunications channels are transformed into a high bandwidth telecommunications channel by determining the relative transmission delays among...
US-5,243,141 Tab tape, method of bonding tab tape and tab tape package
A TAB (tape automated bonding) tape is disclosed which includes one or more openings, each adapted to receive a semiconductor chip, and electrical leads...
US-5,222,109 Endurance management for solid state files
A nonvolatile storage system including several data storage arrays; a counter storage array for storing values indicating the remaining useful life of each of...
US-5,219,788 Bilayer metallization cap for photolithography
A process of patterning a conductive layer on a substrate avoiding webbing yet permitting high density patterning places two layers between the resist and the...
US-5,218,173 Shielding materials for electromagnetic digitizers
Shielding materials used in electromagnetic digitizers which are packaged in a notebook computer environment. Shielding materials with sufficiently high magnetic...
US-5,212,693 Small programmable array to the on-chip control store for microcode correction
An apparatus for correcting a faulty microcode contained in a control store of a microprogrammed processor. The apparatus comprises two functional parts; namely,...
US-5,202,799 Logical data tracks extending among a plurality of zones of physical tracks of one or more disk devices
One or more data-storing disk devices support logical tracks extending between radial recording zones of tracks in the device(s). Each data-storing disk in the...
US-5,189,363 Integrated circuit testing system having a cantilevered contact lead probe pattern mounted on a flexible tape...
A system for testing chips uses a patterned tape having a patterned array of cantilevered contact leads. The tape serves as an interface between the chip under...
US-5,189,261 Electrical and/or thermal interconnections and methods for obtaining such
Circuit boards or cards containing metallic layers on opposite major surfaces of a dielectric substrate whereby electrical and/or thermal interconnection between...
US-5,187,449 Coplanar transmission line millimeter radiation source
A structure for guiding millimeter wave radiation employs a resonant coplanar transmission line on a transparent substrate. A very short, picosecond, pulse is...
US-5,182,468 Current limiting clamp circuit
A current limiting clamp circuit for providing a clamped voltage at a node and including a P-type MOS transistor and several N-type MOS transistors which are...
US-5,181,017 Adaptive routing in a parallel computing system
A multi-dimensional, multi-nodal routing mechanism is described for relaying information from node to node using a header consisting of route descriptor bits....
US-5,175,826 Delayed cache write enable circuit for a dual bus microcomputer system with an 80386 and 82385
In an 80386/82385 microcomputer system, the timing requirements placed on non-cache memory components by the 82385 are more stringent than the timing...
US-5,170,477 Odd boundary address aligned direct memory acess device and method
A system for transferring a plurality of data items (bytes) between a source device and a destination device. The system loads data items from the source device...
US-5,168,495 Nested frame communication protocol
A nested frame communication protocol for communicating between computers. According to the nested frame communication protocol of the present invention, the...
US-5,168,413 Transducer head flying height monitoring methods and apparatus for disk drive system
A method and apparatus are provided for measuring flying height changes of a transducer head relative to a disk surface of a rotating disk in a disk file. A...
US-5,163,162 System and method for data recovery in multiple head assembly storage devices
A systematic method for detecting which head in a multiple head storage device contains errors and may be misaligned, and correcting for misalignment so that the...
US-5,159,662 System and method for building a computer-based rete pattern matching network
A computer-based system and method for building a Rete based network. The computer-based system comprises a first module for inputting rules into the...
US-5,146,566 Input/output system for computer user interface using magnetic levitation
A programmable computer user input/output (I/O) system having a multiple degree-of-freedom magnetic levitation (maglev) device with a matched electrodynamically...
US-5,145,493 Molecular restricter
A molecular restricter for inhibiting or preventing gas molecules from flowing past a point, such as a piece of optical equipment, substantially without...
US-5,136,410 Optical fiber link control safety system
A fully redundant safety interlock system is provided comprising, means for detecting the loss of light on a fiber optic link; controller means, coupled to said...
US-5,132,889 Resonant-transition DC-to-DC converter
The present invention is a circuit and method for reducing switching losses in a full bridge, resonant transition, switching power converter. The converter...
US-5,131,456 Bimetallic insert fin for high conduction cooling structure
A high conduction cooling structure useful for dissipating heat from integrated circuit devices includes a cooling base (10), a bulk heat transfer element (18),...
US-5,130,781 Dam for lead encapsulation
A method and apparatus to encapsulate a device and joints coupled to conductive leads with an encapsulating material. A fixture has a recess to hold via a vacuum...
US-5,129,090 System bus preempt for 80386 when running in an 80386/82385 microcomputer system with arbitration
A multi-bus microcomputer system includes a cache subsystem and an arbitration supervisor. A CPU is provided with a PREEMPT signal source which generates a...
US-5,125,084 Control of pipelined operation in a microcomputer system employing dynamic bus sizing with 80386 processor and...
Any incompatibility between pipelined operations (such as is available in the 80386) and dynamic bus sizing (allowing the processor to operate with devices of...
US-5,122,744 Gradiometer having a magnetometer which cancels background magnetic field from other magnetometers
A gradiometer utilizes at least three vector magnetometers (preferably SQUIDs) to measure a magnetic field gradient. The gradiometer includes a reference...
US-5,121,494 Joining two database relations on a common field in a parallel relational database field
A technique for performing joins in parallel on a multiple processor database system effectively deals with data skew. The join operation is performed in three...
US-5,120,668 Method of forming an inverse T-gate FET transistor
A method of forming an LDD field effect transistor with an inverted "T"-gate structure in which consecutive, conformal layers of polysilicon, metal and nitride...
US-5,119,470 Computer based inference engine device and method thereof for integrating backward chaining and forward...
An inference engine device adapted for use in a computer-controlled expert system, the computer-controlled expert system having a computer and a knowledge base...
US-5,118,382 Elimination of etch stop undercut
Two methods for wet etch removing an etch stop layer without leaving an undesired undercut are disclosed. In the first method, a reactive ion etch is stopped on...
US-5,115,664 Tunable feedback transducer for transient friction measurement
A system for measuring transient friction of a head-disk interface in a magnetic disk storage device employs a servo system for accurate measurements. A first...
US-5,114,826 Photosensitive polyimide compositions
New photosensitive polyimide compositions and processes of using the same in the fabrication of electronic components are provided. These compositions are...
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