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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Smith; Nathan R.
Address:
Stillwater, MN
No. of patents:
9
Patents:












Patent Number Title Of Patent Date Issued
5882055 Probe for handling microchips March 16, 1999
A microchip handling system has a pair of probes with suction cups for handling microchips. An improved microchip holding device is used in lieu of the suction cups to pick up and hold microchips. The microchip holding device has a head accommodating an annular sleeve that retains the
5807066 IC tray handling apparatus and method September 15, 1998
A microchip tray handling apparatus has microchip loading and receiving units for supplying microchips to a microchip tester and receiving tested microchips. The units have tables to support stacks of trays containing microchips. Each unit has a tray holding assembly for raising a stack
5690467 IC tray handling apparatus November 25, 1997
A microchip tray handling apparatus has microchip loading and receiving units for supplying microchips to a microchip tester and receiving tested microchips. The units have tables to support stacks of trays containing microchips. Each unit has a tray holding assembly for raising a stack
5588797 IC tray handling apparatus and method December 31, 1996
A microchip tray handling apparatus has microchip loading and receiving units for supplying microchips to a microchip tester and receiving tested microchips. The units have tables to support stacks of trays containing microchips. Each unit has a tray holding assembly for raising a stack
5503299 Inertial parts feeding apparatus and method April 2, 1996
An inertial parts feeding apparatus and method for dispensing parts, such as microchips, onto a moving belt. The feeding apparatus has a housing supporting an elongated tube accommodating the microchips. A guide mounted on the housing aligns the tube with an arm having an impact shoulder
5263775 Apparatus for handling devices under varying temperatures November 23, 1993
Apparatus (10) for handling devices for testing under varying temperature conditions is disclosed including a mechanical arm (32) pivotally mounted by a bearing (34) to a control portion (16) which is variably vertically positionable relative to a platform portion (14). An insert arm (38
5143450 Apparatus for handling devices under varying temperatures September 1, 1992
Apparatus (10) for handling devices for testing under varying temperature conditions is disclosed including a mechanical arm (32) pivotally mounted by a bearing (34) to a control portion (16) which is variably vertically positionable relative to a platform portion (14). An insert arm (38
4827436 Non-contact high resolution displacement measurement technique May 2, 1989
Apparatus is disclosed for optically detecting the position of an edge of a workpiece (such as an IC lead tip) in a sensing plane, involving the emission of electromagnetic energy from a known source region in the sensing plane such as to cause the edge to create a shadow having a pe
4647269 Automatic integrated circuit transportation tube elevating and tilting device March 3, 1987
The invention of the present document comprises apparatus for receiving and automatically feeding dual-in-line package (DIP) transportation and storage tubes (24) to the singulator (76) of an integrated circuit device handler (20) so that devices (22) in the tubes (24) can be introduced










 
 
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