Assessing the operating reliability of land grid array elastomer sockets
IEEE Transactions on Components and Packaging Technologies, 2000•ieeexplore.ieee.org
The contact resistances of 2300 elastomer button contacts used for LGA (land grid array)
package interconnections were measured over a range of contact loads. The experimental
data, fitted using three probability distribution functions, show that an inverse Gaussian
distribution best describes elastomer button contact resistance behavior. Using this
probability function, the minimum operating contact load necessary for a desired socket
operating reliability can be determined.
package interconnections were measured over a range of contact loads. The experimental
data, fitted using three probability distribution functions, show that an inverse Gaussian
distribution best describes elastomer button contact resistance behavior. Using this
probability function, the minimum operating contact load necessary for a desired socket
operating reliability can be determined.
The contact resistances of 2300 elastomer button contacts used for LGA (land grid array) package interconnections were measured over a range of contact loads. The experimental data, fitted using three probability distribution functions, show that an inverse Gaussian distribution best describes elastomer button contact resistance behavior. Using this probability function, the minimum operating contact load necessary for a desired socket operating reliability can be determined.
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