Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups or (27,269) |
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09/29/1993 | EP0430950B1 Reference-voltage supply circuit |
09/29/1993 | CN2142972Y Crocodile-clip-like pen-type instrument |
09/29/1993 | CN1076785A Test equipment |
09/28/1993 | US5249143 Coupling radiant energy/electric current transducers to processors |
09/28/1993 | US5248261 Double ended hermaphroditic signal node module |
09/22/1993 | EP0561328A2 Connector assembly |
09/22/1993 | CN1076525A Magnetic induction type electric meter |
09/21/1993 | US5247250 Integrated circuit test socket |
09/21/1993 | US5247249 Bi-level test fixture |
09/21/1993 | US5247246 Testing of integrated circuit devices on loaded printed circuit boards |
09/21/1993 | CA1322388C Electrical test fixture |
09/16/1993 | DE4206012C1 Circuit board testing adaptor assembly system - uses eccentrically weighted motor to vibrate sleeve which supplies test pins for fitting in adaptor bores |
09/15/1993 | EP0560148A1 Clamp-on current measuring probe and method of calibration of this probe |
09/15/1993 | CN1022137C Wireless loss monitoring method for low-voltage circuits |
09/14/1993 | US5245277 Clamp for testing used integrated circuit devices |
09/14/1993 | US5243752 Process of manufacturing an instrumentation apparatus with curable internal magnets |
09/08/1993 | EP0559274A2 Probe apparatus and method for measuring high-frequency signals |
09/07/1993 | US5243275 Input protecting mechanism for measuring device |
09/07/1993 | US5241870 Test head manipulator |
09/02/1993 | WO1993017349A1 Defibrillation discharge current sensor |
09/01/1993 | CN2141569Y Induction static electricity voltage meter |
08/31/1993 | US5240429 Chip carrier socket |
08/25/1993 | EP0556868A2 Electrode water circulation and processing system and hooded radiator for water rheostat |
08/24/1993 | US5239261 Probe apparatus for testing electronic circuits immersed in a liquid cryogen |
08/24/1993 | US5239260 Semiconductor probe and alignment system |
08/24/1993 | US5239259 Moving magnet type indicating instrument combined with a counter mechanism |
08/18/1993 | EP0556099A1 Current sensor |
08/17/1993 | US5237493 Current-to-voltage converter with low noise, wide bandwidth and high dynamic range |
08/17/1993 | US5237269 Connections between circuit chips and a temporary carrier for use in burn-in tests |
08/17/1993 | US5237268 Film carrier structure capable of simplifying test |
08/17/1993 | US5237267 Wafer probe station having auxiliary chucks |
08/12/1993 | DE4300562A1 Electromagnetic screening sheet - comprises electrically conductive resin layer on metal foil giving good screening and low wt. |
08/11/1993 | EP0554622A2 Apparatus and method for testing bare dies |
08/11/1993 | EP0515577A4 Making and testing an integrated circuit using high density probe points |
08/11/1993 | CN1075212A Launcher for waveguide system |
08/10/1993 | US5235268 Test and measurement system |
08/10/1993 | US5234359 Terminal device for electrical connection |
08/10/1993 | US5234149 Debondable metallic bonding method |
08/05/1993 | WO1993015540A1 Analogue muliplexer protected against high input overvoltages |
08/05/1993 | WO1993015409A1 Pneumatic test fixture with springless test probes |
08/04/1993 | EP0554143A1 Pivoting electrical actuator, especially for use in vehicle dashboards |
08/04/1993 | EP0553969A1 Coplanar transmission structure having spurious mode suppression |
08/03/1993 | US5233290 Switch probe |
07/27/1993 | US5231349 Millimeter-wave active probe system |
07/22/1993 | DE4208067C1 Test plug for electrical series clamps - contains sprung contacting device with spring=loaded arms insertable into clamp |
07/21/1993 | EP0552036A1 A probing apparatus having an automatic probe card installation mechanism and a semiconductor wafer testing system including the same |
07/21/1993 | EP0551564A2 Non-contact test probe |
07/20/1993 | US5228866 Socket for integrated circuit carrier |
07/20/1993 | US5228189 Adapter arrangement for electrically connecting flat wire carriers |
07/20/1993 | CA1320546C Electrical connectors and ic chip tester embodying same |
07/15/1993 | DE4200404A1 Electrical testing arrangement, pref. for circuit boards, - has deflectable laser beam for changing conducting state of semiconducting contact arrangement |
07/14/1993 | EP0551222A1 Indicating instrument having an illuminated pointer |
07/13/1993 | US5227730 Microwave needle dielectric sensors |
07/13/1993 | US5227718 Double-headed spring contact probe assembly |
07/13/1993 | US5227717 Contact assembly for automatic test handler |
07/13/1993 | US5226827 Test connector |
07/06/1993 | US5225796 Coplanar transmission structure having spurious mode suppression |
07/06/1993 | US5225777 High density probe |
07/06/1993 | US5225776 Method and apparatus for probing and sampling an electrical signal |
07/06/1993 | US5225773 Switch probe |
07/06/1993 | US5225771 Making and testing an integrated circuit using high density probe points |
07/06/1993 | US5225769 Defibrillation discharge current sensor |
07/06/1993 | US5225037 Method for fabrication of probe card for testing of semiconductor devices |
06/30/1993 | EP0549240A2 Socket |
06/30/1993 | EP0548279A1 Functional at speed test system for integrated circuits on undiced wafers |
06/29/1993 | US5223787 High-speed, low-profile test probe |
06/29/1993 | US5223786 Burn-in device |
06/29/1993 | US5223785 Apparatus for and method of latching and unlatching integrated circuit test sockets |
06/24/1993 | DE4301420A1 Contact arrangement for wafer prober - has silicon base body with silicon tongues carrying metallised silicon contacting elements |
06/24/1993 | DE4141888A1 Adaptor for test and setting up of component assemblies, esp. of complex electronic communications systems - contains additional plug and socket arrangement connected to rear of circuit board |
06/23/1993 | EP0547251A1 A method for testing a micro circuit |
06/23/1993 | CN1073529A Pen-type electronic voltmeter |
06/23/1993 | CN1073527A Multipurpose measurer |
06/23/1993 | CN1021376C Adjustment circuit and method for solid-state electricity meter |
06/22/1993 | US5221895 Probe with microstrip transmission lines |
06/22/1993 | US5221209 Modular pad array interface |
06/22/1993 | US5220956 Multiple device fixture used in conjunction with a standard temperature forcing unit |
06/16/1993 | CN2136481Y External arc-extinguishing protector for direct resistance metering of transformer |
06/15/1993 | US5220481 Composite to enable contact electrostatic voltage sensing |
06/15/1993 | US5220280 Method and an apparatus for testing the assembly of a plurality of electrical components on a substrate |
06/15/1993 | US5220279 Probe apparatus |
06/15/1993 | US5220278 Fixing card for use with high frequency |
06/15/1993 | US5220274 Surface mounted electrical switch and probe structure |
06/09/1993 | EP0545070A1 Membrane probe contact bump compliancy system |
06/09/1993 | CN2135785Y Magnetic steel positioning fixture |
06/08/1993 | US5218293 Passive high-frequency signal probe |
06/08/1993 | US5218290 Multi-function, multi-mode switch for an instrument |
06/08/1993 | US5217383 Plug contact arrangement |
06/02/1993 | EP0543877A1 Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage |
06/02/1993 | EP0543808A1 Spring contact field component for wiring/printed circuit board testing device |
06/01/1993 | US5216623 System and method for monitoring and analyzing energy characteristics |
06/01/1993 | US5216361 Modular board test system having wireless receiver |
06/01/1993 | US5216358 Device for testing a printed circuit board |
06/01/1993 | US5215476 Interface connector assembly |
06/01/1993 | US5215472 High density grid array socket |
05/26/1993 | EP0543545A2 Composite to enable contact electrostatic voltage sensing |
05/26/1993 | CN2134652Y Special testing gage bar for integrated circuit block |
05/25/1993 | US5214407 High performance current shunt |
05/25/1993 | US5214389 Multi-dimensional high-resolution probe for semiconductor measurements including piezoelectric transducer arrangement for controlling probe position |
05/25/1993 | US5214375 Multi-point probe assembly for testing electronic device |