Patents
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
09/1997
09/09/1997US5666063 Method and apparatus for testing an integrated circuit
09/04/1997WO1997032217A1 Apparatus for measuring a.c. current in a cable
09/03/1997EP0792519A1 Interconnection elements for microelectronic components
09/03/1997EP0792518A1 Method for fabricating a self-limiting silicon based interconnect for testing bare semiconductor dice
09/03/1997EP0792517A1 Electrical contact structures from flexible wire
09/03/1997EP0792464A1 A measuring line for a coaxial conductor for determining energy throughflow and standing wave ratios
09/03/1997EP0792463A1 Mounting spring elements on semiconductor devices, and wafer-level testing methodology
09/03/1997EP0792462A1 Probe card assembly and kit, and methods of using same
09/02/1997US5663655 ESD protection for universal grid type test fixtures
09/02/1997US5663654 For testing an array of semiconductor dice located on a wafer
09/02/1997US5663653 Wafer probe station for low-current measurements
09/02/1997US5663652 Method for measuring current distribution in an integrated circuit by detecting magneto-optic polarization rotation in an adjacent magneto-optic film
08/1997
08/28/1997DE19708037A1 Test unit for testing unencapsulated semiconductor integrated circuit
08/28/1997DE19652271A1 Terminal contact pin giving electrically conducting detachable connection e.g. for radio and television electronics
08/27/1997EP0791833A2 Device for converting the test point grid of a machine for electrically testing unassembled printed circuit boards
08/27/1997CN1158172A A voltage preference apparatus, a voltameter, a battery voltage detection apparatus, and a wireless communication device
08/26/1997US5661403 Apparatus and method for testing a solid electrolyte
08/26/1997US5661042 Process for electrically connecting electrical devices using a conductive anisotropic material
08/26/1997CA2063524C Optical sensor and method for producing the same
08/21/1997WO1997030358A1 Method and device for eliminating the centring error during electrical testing of printed circuit boards
08/20/1997EP0790502A2 Probe, manufacture of same, and vertically operative type probe card assembly employing same
08/20/1997EP0789840A1 Current/voltage transformer for the detection of the electron current in a scanning tunnelling-electron microscope
08/19/1997US5659256 Method and apparatus for testing integrated circuit chips
08/19/1997US5659255 Method of evaluating signal conditions in a probe measurement network having a plurality of separate measurement channels
08/19/1997US5659245 ESD bypass and EMI shielding trace design in burn-in board
08/14/1997WO1997029379A1 Carrier for receiving and holding a test base for integrated circuits
08/14/1997DE19604781A1 Carrier for receiving and holding test base for integrated circuits
08/13/1997EP0788729A1 Programmable high density electronic testing device
08/13/1997EP0531428B1 Test fixture alignment apparatus and method
08/13/1997CA2197373A1 Probe, manufacture of same, and vertically operative type probe card assembly employing same
08/12/1997US5657394 Integrated circuit probe card inspection system
08/12/1997US5656945 Apparatus for testing a nonpackaged die
08/12/1997US5656943 Apparatus for forming a test stack for semiconductor wafer probing and method for using the same
08/12/1997US5656942 Prober and tester with contact interface for integrated circuits-containing wafer held docked in a vertical plane
08/12/1997US5656941 Tab tape-based bare chip test and burn-in carrier
08/12/1997US5655926 Socket for semiconductor device
08/07/1997WO1997028424A1 Analog display having electroluminescent pointer
08/07/1997DE19603368A1 HF-tight housing for electronic measurement devices
08/06/1997EP0787997A2 Adaptive digital filter for improved measurement accuracy in an electronic instrument
08/06/1997EP0787303A1 Probe card having vertical type needles and the method thereof
08/05/1997US5654669 Programmable instrumentation amplifier
08/05/1997US5654647 Multiple lead voltage probe and method of making same
08/05/1997US5654646 Apparatus for testing printed circuit boards
08/05/1997US5654630 Contactless sensor driven by single power supply
08/05/1997US5654127 Forming cavities in substrate, lining and covering with flexible layer, metal layer, second flexible layer, removing substrate to expose flexible material, removing to expose metal, forming metal tip, removing rest of substrate
07/1997
07/31/1997WO1997027490A1 Performing an operation on an integrated circuit
07/31/1997WO1997027489A1 Improved method and apparatus for scrubbing the bond pads of an integrated circuit during wafer sort
07/30/1997EP0786647A1 Probe identification system for a measurement system
07/30/1997EP0563234B1 Testing clip and circuit board contacting method
07/29/1997US5652538 Integrated curcuit with conductance adjustable by digital control signal
07/29/1997US5652523 For providing an electric connection
07/29/1997US5652506 Apparatus for measuring an a.c. current in a cable
07/24/1997DE19652293A1 Universal measurement amplification module compatible with 5B amplifier module series
07/23/1997EP0784799A1 Bus for sensitive analog signals
07/23/1997CN1155172A Socket device for electronic instrument
07/22/1997US5650771 Electrical socket with monitoring unit for monitoring operating conditions
07/22/1997US5650732 Semiconductor device test system
07/17/1997DE19700523A1 Test apparatus for testing multipolar integrated circuit chip using burn-in test
07/15/1997US5648729 Board positioning method and apparatus of the methods
07/15/1997US5648728 Method and apparatus for positioning a workpiece
07/15/1997US5647756 Integrated circuit test socket having toggle clamp lid
07/15/1997US5647750 Socket for a tape carrier package
07/10/1997WO1997024785A1 Conductive contactor
07/09/1997EP0654204B1 Adapter for an automatic inspection device of printed circuit boards
07/08/1997US5646542 Probing adapter for testing IC packages
07/08/1997US5646522 Wireless test fixture for high frequency testing
07/08/1997US5646447 Top loading cam activated test socket for ball grid arrays
07/08/1997US5646442 Contact structure for IC socket
07/08/1997US5645433 Contacting system for electrical devices
07/03/1997WO1997023784A1 Machine for the electric test of printed circuits with adjustable position of the sound needles
07/02/1997EP0782001A1 Probe card identification for computer aided manufacturing
07/02/1997EP0781419A1 Method and device for making connection
07/02/1997EP0757870A4 Self-powered powerline sensor
07/01/1997US5644249 Method and circuit testing apparatus for equalizing a contact force between probes and pads
07/01/1997US5644247 For testing unpackaged semiconductor ships
07/01/1997US5644246 Probe card locking device of a semiconductor wafer probe station
07/01/1997US5644245 Probe apparatus for inspecting electrical characteristics of a microelectronic element
07/01/1997US5644238 Method and apparatus for comparing load current in an electrical circuit with the capacity of its supply source
06/1997
06/26/1997WO1997022884A1 Current sensing device
06/26/1997CA2240493A1 Current sensing device
06/25/1997EP0780695A2 Hybrid scanner for use in a tester
06/25/1997EP0780690A2 Field sensor
06/25/1997EP0780662A2 Adjustment data input device
06/25/1997EP0780028A1 Ball grid array socket
06/25/1997EP0779989A1 Membrane probing of circuits
06/25/1997EP0779987A1 Membrane probing of circuits
06/24/1997US5642432 Probe device
06/24/1997US5642056 Probe apparatus for correcting the probe card posture before testing
06/24/1997US5642054 Active circuit multi-port membrane probe for full wafer testing
06/24/1997US5642040 Electrooptic probe for measuring voltage of an object having a high permittivity film fixed on an end face of a reflecting film fixed on an electrooptic material
06/24/1997US5641945 Contacting structure with respect to spherical bump
06/24/1997US5641315 Telescoping spring probe
06/24/1997US5640762 Method and apparatus for manufacturing known good semiconductor die
06/19/1997WO1997022012A1 Electro-optic voltage sensor
06/17/1997US5640101 Probe system and probe method
06/17/1997US5640100 Probe apparatus having probe card exchanging mechanism
06/17/1997US5639385 Method of fabricating a wafer probe card for testing an integrated circuit die
06/17/1997US5639247 Contacting system for electrical devices
06/17/1997US5638596 Method of employing multi-layer tab tape in semiconductor device assembly by selecting, breaking, downwardly bending and bonding tab tape trace free ends to a ground or power plane
06/12/1997WO1997021105A1 Wafer probe card having micro tips and manufacturing method thereof