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123 results about "Zero insertion force" patented technology

Zero insertion force (ZIF) is a type of IC socket or electrical connector that requires very little force for insertion. With a ZIF socket, before the IC is inserted, a lever or slider on the side of the socket is moved, pushing all the sprung contacts apart so that the IC can be inserted with very little force - generally the weight of the IC itself is sufficient and no external downward force is required. The lever is then moved back, allowing the contacts to close and grip the pins of the IC. ZIF sockets are much more expensive than standard IC sockets and also tend to take up a larger board area due to the space taken up by the lever mechanism. Therefore they are only used when there is a good reason to do so.

Zero insertion force connector socket with helical driving mechanism

An electrical apparatus in accordance with the present invention for electrically assembling a CPU to a printed circuit board. The CPU includes an array of pin legs. The apparatus comprises a base member securely assembled to the printed circuit board. A cover member is moveably assembled to the base member and defines an array of through holes for extension of the pin legs of the CPU. A driving arrangement is arranged between the base and cover member to drive the cover member to move between first and second positions. The arrangement includes a shaft having a helical section extending therealong, and a follower is moveable along the helical section when the shaft is rotated.
Owner:HON HAI PRECISION IND CO LTD

Test system and test contactor for electronic modules

A pass through test system for testing an electronic module includes an interface board, and test contactors movably mounted to the interface board for electrically engaging terminal contacts on the module with a zero insertion force on the modules. The interface board is configured for mounting to an automated or manual pass through test handler in electrical communication with test circuitry. In a first embodiment the interface board includes test pads in electrical communication with the test circuitry, and rotatable test contactors having spring contacts configured to simultaneously engage the test pads and the terminal contacts on the module. In a second embodiment the interface board includes test pads in electrical communication with the test circuitry, and slidable test contactors having beam leads configured to simultaneously engage the test pads and the terminal contacts on the module. In a third embodiment the test contactors are slidably mounted to the interface board, and include coiled spring contacts in electrical communication with a flex circuit. A test method includes the steps of: providing the test contactors, electrically engaging the terminal contacts on the module with a zero insertion force using the test contactors, and then applying test signals through the test contactors and the terminal contacts to the module.
Owner:MICRON TECH INC

Zero insertion force socket and method for employing same to mount a processor

The invention in one embodiment is a zero insertion force socket including a base; a cover engaged with the base to reciprocate in first and second directions; and a lever pivotably mounted to the base to move the cover in the first direction when the lever is pivoted laterally from a first position to a second position. In another embodiment, the invention is a printed circuit board assembly including a printed circuit board; a zero insertion force socket surface mounted to the printed circuit board; and a processor coupled to the zero insertion force socket.
Owner:INTEL CORP

Compression mount and zero insertion force socket for IC devices

In a socket system and method for coupling a pin of an IC (integrated circuit) device to a contact pad of a circuit board, a zif opening on a socket asserts substantially zero force as the pin of the IC device is inserted therein. In addition, a compression mount lead on the socket presses against the contact pad of the circuit board. Once inside the zif opening, the pin is coupled to the compression mount lead via forking leads that press against the pin. Thus, substantially zero force is applied on the body of the IC device. Furthermore, top portions of the forking leads contact a top portion of the pin toward the IC device to minimize an electrical path length.
Owner:ADVANCED MICRO DEVICES INC

Automatic testing equipment instrument card and probe cabling system and apparatus

A device for interfacing a test head and a prober is disclosed using wires or cables to provide the connection from a probe card interface boards to the probe card. The use of wires or cables, in place of the traditional pogo pin arrangement allows for more reliable and efficient testing, as well as additional high performance tests to be run. Optionally, a probe interface contains a stiffening member with multiple sidewalks and individual, configuration-specific probe card interface strips are connected to a probe card through zero insertion force clamps. The probe card interface attaches to the test head using standard probe interface board (“PIB”) docking mechanics. The assembly is then connected to a probe to carry out the testing procedures.
Owner:TERADYNE

Double connector for medical sensor

A double electrode connector for connecting to medical electrodes preferably in an impedance cardiography system includes a connector housing comprising a base having two holes therein of predetermined diameters arranged at predetermined location in the housing, with a first of the two holes associated with a first connector and a second of the two holes associated with a second connector of the double-electrode connector; a pair of biasing elements arranged along a surface of the housing so that each one of the pair of biasing elements is adapted for biasing against an electrode stud inserted in a respective hole of the two holes in the housing; a cable assembly including a twin wire cable and a bend relief, wherein each one of the pair of metal lugs is connected to one of the first connector and second connector, and the bend relief is arranged in a hole in the base to flexibly connect the twin wire cable to respective metal lugs of the pair of metal lugs. The biasing means may include handles to assist with attaching the double connector to two electrodes with a near-zero insertion force towards a patient.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Zero insertion force high frequency connector

A connector or connector assembly having a signal array having at least one shielded conductor having opposite ends and including an axial conductive element and an outer conductive element surrounding the axial conductive element and a compressible interface element positioned at least one of the opposite ends of the signal array, the interface element including a layer of insulating material having a plurality of conductive elements extending through the insulating material layer. When compressed between the signal array and a signal bearing component, the compressible interface element maintains the geometric arrangement of the axial conductive element and the outer conductive element to the signal bearing component. A connector assembly may include a circuit board including land areas arranged in a shielded configuration, and corresponding to the shielded land areas on the component and a second compressible interface element. The compressible interface element is coupled between the circuit board and the shielded conductor to pass a signal from the shielded conductor to the land area on the second circuit board.
Owner:CARLISLE INTERCONNECT TECH

Multi-channel ARINC(aeronautical radio incorporated) 700 bus monitoring device and realizing method thereof

ActiveCN103048984AMeet speed requirementsSolve problems that consume a large number of bus lanesElectric testing/monitoringTotal factory controlAviationDistribution frame
The invention relates to the technical field of avionics, in particular to a multi-channel ARINC (aeronautical radio incorporated) 700 bus monitoring device and a realizing method thereof. The device comprises an industrial personal computer, a bus adapter and bus access equipment, wherein a multi-channel ARINC 429 bus module is arranged in the industrial personal computer; the bus adapter comprises a main board, a self-checking module, a power supply management module and a switch matrix module; and the bus access equipment comprises an aviation bus distribution frame and a ZIF (zero insertion force) interface. Control data and bus data are switched between the industrial personal computer and the bus access equipment through the bus adapter; the industrial personal computer transmits an instruction package to the bus adapter to finish instruction loading through the ZIF interface; a monitoring circuit is mounted on an aviation bus, so that the bus data can be read; when other buses need to be monitored, by only updating the loading instruction, the switching of the channel can be finished, which is convenient and rapid; the speed requirements in an automatic measuring and monitoring system can be fully satisfied; the testing time is greatly reduced; and the problem of wasting a large amount of bus channels in a complex avionics system is solved.
Owner:天津德新航空科技有限公司

Electrical connector

An electrical connector is provided in the present invention, including an insulating housing, multiple power terminals and multiple signal terminals. The insulating housing has at least one upright power receptacle body and at least one upright signal plug body parallel to the power receptacle body. Wherein the power receptacle body forms an upright power port on a front surface thereof, and the signal plug body forms at least one signal port on a front surface thereof. Each power terminal has a plate-shaped base plate, at least one spring connection end and multiple tails. The power receptacle body and the signal plug body of the present invention are designed to be upright for saving the edge space of a circuit board. Moreover, the electrical connector of the present invention also has a character of zero insertion force by controlling the length of the signal terminal and the power terminal.
Owner:OUPIN ELECTRONICS KUNSHAN

Electrical connector for flexible flat cable

An electrical connector with upper contacts, for a flexible flat cable. The connector is an electrical connector for gripping a flexible flat cable by upper contacts, and the connector includes two kinds of contact members for gripping the flexible flat cable, a housing for receiving the contact members, and an opening / closing type actuator. The contacts of the two kinds of the contact members are spaced from each other in an insertion direction, and the contact members are alternately arranged in the housing so as to form staggered rows of the contacts. With a first kind of contact members, FPC can be inserted without insertion force, and with a second kind of contact members, the FPC can be inserted with low insertion force. The connector is characterized in that is has a zero insertion force (Z.I.F.) and low insertion force (L.I.F.) mechanism structure for insertion of the FPC, where the structure is constructed from the first contact members and second contact members.
Owner:FRAMATOME CONNECTORS INT SA

Method for detecting shielding layer of capacitive touch screen

The invention relates to a method for detecting a shielding layer of a capacitive touch screen. By use of a test computer with capacitive touch screen test software, a functional test board and a functional test adapter board, an FPC (Flexible Printed Circuit) shielding pin is simulated by a conductive material, so that the test of the shielding layer of a to-be-detected touch screen is achieved; the functional test board comprises a singlechip; the functional test adapter board is made of a bi-layer printed circuit board and used for line adaption; the functional test board is connected with the test computer by a USB (Universal Serial Bus) data line; the functional test board is connected with the functional test adapter board by a flat cable; the functional test adapter board is connected with the FPC of the to-be-detected touch screen by a ZIF (Zero Insertion Force) or BTB (Board To Board) connector; and the functional test adapter board is connected with the conductive material for simulating the FPC shielding pin by a flexible cable. The shielding pin of the flexible printed circuit board is stimulated by the conductive material for the test, so that the secondary damage of the FPC board in the detection process is avoided; and the method has high detection accuracy and efficiency, and strong operability.
Owner:TIANJIN ZHONGHUAN HI TECH
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