41
Dimitry G Grabbe: Perimeter independent precision locating member. Salvatore Anastasi, Bruce J Wolstoncroft, June 10, 1997: US05637919 (28 worldwide citation)

A perimeter independent precision locating member (22) for a semiconductor chip (10) so that contact sites upon the chip will be reliably positioned relative to connection members (18), such as contacts or leads, so that the chip may be electrically engageable. The locating member (22) is disposed u ...


42
Dimitry G Grabbe: Ceramic chip carrier with lead frame having removable rim. AMP Incorporated, F Brice Faller, October 4, 1983: US04408218 (26 worldwide citation)

A ceramic chip carrier having a copper lead frame bonded directly to a ceramic substrate has a common rim connecting the tip portions of the leads. The rim is provided with extended portions which permit bending the rim away from the substrate without altering the relative positions of the tip porti ...


43
Dimitry G Grabbe: Multi-port coaxial connector assembly. AMP Incorporated, James M Trygg, January 23, 1990: US04895521 (26 worldwide citation)

A connector assembly (26) for use with a printed circuit board (30) wherein a true coaxial connection is provided. The connector assembly includes a housing block (36) with a plurality of bores (38) aligned with the plated-through apertures (42) of the circuit board. Each of the bores (38) contains ...


44
Johannes C W Bakermans, Dimitry G Grabbe, Iosif Korsunsky: Zero insertion force connector for a circuit board. AMP Incorporated, Donald M Boles, July 24, 1984: US04461522 (26 worldwide citation)

A miniature circuit board edge connector having a very short electrical contact path is taught. Briefly stated, an insulative housing has contained therein a resiliently flexible and electrically conductive contact. A camming device is disposed in the housing and impinges upon the contact and throug ...


45
Dimitry G Grabbe: Chip carrier with energy storage means. AMP Incorporated, Bruce J Wolstoncroft, April 17, 1990: US04918571 (25 worldwide citation)

The invention is directed to a socketable chip carrier (2) for use with integrated circuits (22) having large lead counts. Due to the large lead counts, many leads may switch simultaneously, resulting in an instantaneous requirement for a great deal of power. The steady power supplies required for p ...


46
Dimitry G Grabbe, Charles W Herb, Iosif Korsunsky: Closed loop connector. AMP Incorporated, F Brice Faller, July 29, 1986: US04602833 (25 worldwide citation)

Hermaphroditic electrical connector comprises a dielectric housing having terminals therein with resilient contact tongues and shunt means fixed to a dielectric carrier which moves relative to housing in response to mating with a like connector as tongues engage respective like tongues. The shunt me ...


47
Dimitry G Grabbe: Ceramic chip carrier with removable lead frame support and preforated ground pad. AMP Incorporated, May 1, 1984: US04445271 (24 worldwide citation)

A ceramic chip carrier having a lead frame thereon with a removable lead frame support which does not bond to the ceramic during the bonding procedure and is later removed. A perforated ground pad is bonded to the substrate simultaneously with the leads of the lead frame and is attached to the lead ...


48
Dimitry G Grabbe, Iosif Korsunsky: ZIF connector with wipe. AMP Incorporated, F W Raring, August 19, 1986: US04606594 (22 worldwide citation)

A LIF or ZIF connector having improved contact wiping is disclosed herein. Briefly stated, a connector having contacts therein is provided with the contacts moving into or out of engagement with traces disposed on a daughter board. At the time of, or immediately after engagement of the contacts of t ...


49
Johannes C W Bakermans, Dimitry G Grabbe: Tooling for forming machines having improved guidance, tool mounting, and pilot pin systems. AMP Incorporated, Bruce J Wolstoncroft, Frederick W Raring, April 11, 1989: US04819476 (21 worldwide citation)

Tooling system for a forming machine has a continuous guide passageway in which first and second tooling assemblies are contained for movement towards and away from each other. The passageway has passageway surfaces which serve as bearing and guiding surfaces for the tooling assemblies. Each of the ...


50
Dimitry G Grabbe: Connector contact. AMP Incorporated, James M Trygg, October 22, 1991: US05059143 (21 worldwide citation)

The present disclosure sets forth a unique contact structure for a separable electrical connector for carrying relatively high levels of current at high frequency in a high temperature environment. The contact utilizes a high loading spring design which permits a relatively low resistance and low in ...