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What (who) is Low Insertion Force - definition

TECHNOLOGY USED IN INTEGRATED CIRCUIT SOCKETS

Low Insertion Force

Low Insertion Force

<hardware> (LIF) PGA/SPGA sockets with no handle. The integrated circuit is simply pushed into the socket, and levered out to remove. Most motherboard processor sockets are now ZIF rather than LIF. (1999-08-05)

Low insertion force

Low insertion force (LIF) is a technology used in integrated circuit sockets that are designed so the force required to insert or remove a package is low.

https://en.wikipedia.org/wiki/Low_insertion_force

Zero Insertion Force

ELECTRICAL CONNECTOR THAT REQUIRES VERY LITTLE FORCE FOR INSERTION, OFTEN USED FOR IC AND CPU SOCKETS

ZIFS; Zero Insertion Force; ZIF socket

<hardware> (ZIF) A kind of socket for integrated circuits. A ZIF socket can be opened and closed by means of a lever or screw. When open, there the chip may be placed in the socket without any pressure at all, the socket is then closed, causing its contacts to grip the pins of the chip. Such sockets are used where chips must be inserted and removed frequently, such as in test equipment. They are more expensive and usually take up more space than conventional IC sockets. (1994-12-05)

Wikipedia

Low insertion force

Low insertion force (LIF) is a technology used in integrated circuit sockets that are designed so the force required to insert or remove a package is low.

Initially, the LIF connectors were designed as a cheaper alternative compared to zero insertion force (ZIF) connectors, to facilitate programming and testing of equipment. Compared with standard IC sockets, they achieve a lower friction force between the contacts of the device and the socket, making insertion and removal of the device easier, while at the same time eliminating the need for the complex mechanism that is used in ZIF sockets.

The disadvantages of LIF connectors are that the grip force between the contacts is lower, and the contacts can oxidize faster and decrease the lifespan of the connector. With the advent of frequent changes in PC processors, a need arose for these systems. Intel introduced the LIF socket system, in which the processor is inserted into the socket, rather than fixed by a lever. This type of socket was used for some types of 386s and early 486s. This type of socket has been replaced by the ZIF socket, although LIF sockets are now used in modern 1.8" hard disks.

https://en.wikipedia.org/wiki/Low insertion force