Patents
Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups  or (27,269)
03/1997
03/11/1997US5610512 Clamp-on electrical measuring device
03/11/1997US5610506 Voltage reference circuit
03/11/1997US5610081 Integrated circuit module fixing method for temperature cycling test
03/11/1997US5609489 Socket for contacting an electronic circuit during testing
03/05/1997EP0760104A1 Process and system for testing the correct position of printed circuit boards having contact islands and conductor paths in a testing device
03/04/1997US5608334 Device testing system with cable pivot and method of installation
03/04/1997US5607818 Method for making interconnects and semiconductor structures using electrophoretic photoresist deposition
02/1997
02/27/1997WO1997007410A1 Bare chip carrier, burn-in device using the same, and bare chip burn-in method
02/27/1997WO1997007407A1 Probe card having vertical type needles and the method thereof
02/26/1997EP0759174A1 Adapter system for component boards, for use in a test device
02/25/1997US5606481 Overvoltage protection for battery powered equipment
02/25/1997US5606263 Probe method for measuring part to be measured by use thereof and electrical circuit member
02/25/1997US5606262 Manipulator for automatic test equipment test head
02/25/1997US5606250 Measurement device with common mode current cancellation
02/25/1997US5605464 IC package connector
02/20/1997WO1997006444A1 Semiconductor wafer test and burn-in
02/19/1997EP0758807A2 Surface mating electrical connector
02/19/1997EP0758454A1 Test system for equipped and unequipped printed circuit boards
02/19/1997EP0708926B1 Adapter with solid body
02/18/1997US5604446 Probe apparatus
02/18/1997US5604445 Apparatus, and corresponding method, for stress testing semiconductor chips
02/18/1997US5604444 Wafer probe station having environment control enclosure
02/18/1997US5603619 Scalable test interface port
02/12/1997EP0757870A1 Self-powered powerline sensor
02/12/1997CN2247342Y Movement for step digital electronic instrument and meter
02/12/1997CN1142613A Test section for use in IC handler
02/11/1997US5602491 Integrated circuit testing board having constrained thermal expansion characteristics
02/11/1997US5602490 Connector for automatic test equipment
02/11/1997US5602483 Active trim method and apparatus
02/11/1997US5601740 Method and apparatus for wirebonding, for severing bond wires, and for forming balls on the ends of bond wires
02/11/1997US5600883 Method of tip formation for spring probe with piloted and headed contact
02/06/1997WO1997004373A1 A voltage reference arrangement, a voltameter, a battery voltage detection arrangement, and a wireless communication device
02/06/1997WO1997004324A1 Prober and tester with compact interface for integrated circuits-containing wafer held docked in a vertical plane
02/05/1997EP0757413A2 Adapter with a carrier having a connection apparatus
02/05/1997EP0756710A1 Device for displaying the voltage of a conductor of a high-voltage power supply system
02/04/1997US5600289 Measuring jig used for evaluation of a device with a nonradiative dielectric waveguide
02/04/1997US5600278 Programmable instrumentation amplifier
02/04/1997US5600259 Method and apparatus for reducing interference in a pin array
02/04/1997US5600258 Method and apparatus for automated docking of a test head to a device handler
02/04/1997US5600257 Semiconductor wafer test and burn-in
02/04/1997US5600256 Cast elastomer/membrane test probe assembly
02/04/1997US5600236 Converter and digital channel selector
02/04/1997CA2089664C Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage
01/1997
01/30/1997WO1997003467A1 Top loading socket for ball grid arrays
01/30/1997CA2226856A1 Top loading socket for ball grid arrays
01/29/1997EP0504169B1 Fluidics head for testing chemical and ionic sensors
01/29/1997CN1141519A Connector module with test and jumper access
01/29/1997CN1141434A Contact structure of treatment device used for IC testing apparatus
01/29/1997CA2179424A1 Sensor including two entwined spiral electrodes
01/28/1997US5598104 Breakaway test probe actuator used in a probing apparatus
01/28/1997US5598096 Method and apparatus for testing an integrated circuit using controlled wirebonding and wirebonding removal
01/28/1997US5597982 Electrical connection structure
01/28/1997US5597737 Method for testing and burning-in a semiconductor wafer
01/28/1997US5597317 Surface mating electrical connector
01/23/1997WO1997002494A1 Shunt assembly for current measurement
01/23/1997CA2226107A1 Shunt assembly for current measurement
01/22/1997EP0755071A2 Semiconductor probe card device with a ball-bump
01/21/1997US5596282 Tester for integrated circuits
01/21/1997US5596229 Chip carrier structure
01/16/1997WO1997001885A1 Improved charge rate electrometer
01/15/1997EP0753699A2 Instrument tilt bail with stepped projections
01/15/1997EP0670033B1 Circuitry for processing analogical current and voltage signals
01/14/1997US5594359 Voltage generating circuit for IC test
01/14/1997US5594358 Radio frequency probe and probe card including a signal needle and grounding needle coupled to a microstrip transmission line
01/14/1997US5594357 Testing apparatus and connection method for the testing apparatus
01/14/1997US5594356 Interconnection device for connecting test equipment with a circuit board designed for fine pitch solder lead integrated circuit components
01/14/1997US5594332 Alternating current detector
01/14/1997US5594329 Method and apparatus for obtaining voltage-isolated measurement channels with an isolation transformer and multiplier
01/08/1997EP0752594A2 Contact structure for electrically connecting a testing board and die
01/08/1997EP0752588A2 Testing apparatus
01/08/1997EP0752587A2 Electrical connection structure
01/07/1997US5592101 Electro-optic apparatus for measuring an electric field of a sample
01/07/1997US5592093 Electronic battery testing device loose terminal connection detection via a comparison circuit
01/07/1997CA2091099C Connector assembly
01/01/1997CN1139213A Split-path linear isolation circuit apparatus and method
12/1996
12/31/1996US5589781 Die carrier apparatus
12/24/1996US5586891 Electrical socket for high-frequency applications
12/19/1996WO1996041506A1 Photolithographically patterned spring contact
12/19/1996WO1996041204A1 Method and apparatus for probing, testing, burn-in, repairing and programming of integrated circuits in a closed environment using a single apparatus
12/18/1996EP0748450A1 Printed circuit board test set with test adapter and method for setting the latter
12/18/1996CN1138165A Device testing system with cable pivot and method of installation
12/17/1996US5586114 Multiplexing instrumentation preamplifier
12/17/1996US5585739 Doubled ended spring probe ring interface for multiple pin test heads and method therefor
12/17/1996US5585738 Probe system having vertical height detection and double focal image pickup coinciding with probe contact in height adjustment
12/17/1996US5585737 Semiconductor wafer probing method including arranging index regions that include all chips and minimize the occurrence of non-contact between a chip and a probe needle during chip verification
12/17/1996US5585736 Contact probe utilizing conductive meltable probing material
12/17/1996US5585735 E-O probe with FOP and voltage detecting apparatus using the E-O probe
12/17/1996US5585282 Process for forming a raised portion on a projecting contact for electrical testing of a semiconductor
12/12/1996WO1996039795A1 Multiple probing of an auxiliary test pad which allows for reliable bonding to a primary bonding pad
12/11/1996EP0747713A2 Circuit for measuring the load current of a power semiconductor device with a load on the source or drain side
12/11/1996EP0747712A2 Capacitive pickup clip
12/11/1996EP0746772A1 Reusable die carrier for burn-in and burn-in process
12/11/1996EP0438537B1 A device for monitoring and indicating a given minimum battery power reserve
12/10/1996US5583801 Voice troubleshooting system for computer-controlled machines
12/10/1996US5583447 Voltage probe with reverse impedance matching
12/10/1996US5583446 For measuring high speed signals with a low speed measurement instrument
12/10/1996US5583445 Opto-electronic membrane probe
12/10/1996US5583444 Voltage detection apparatus
12/10/1996US5583442 Differential voltage monitor using a bridge circuit with resistors on and off of an integrated circuit
12/08/1996CA2178450A1 Capacitive pickup clip