Flat-Packs Under Thermal Shock: A Simplified Analysis of Flexural Stress in the Lid-to-Wall Seal.

Abstract

On the basis of a simplified one-dimensional transient heat-flow analysis, formulas are developed for the maximum flexural stresses developed in the lid-to-wall seals of microelectronic flat-packs during thermal-shock screening by Method 1011 of MIL-STD-883. A numerical example is presented to illustrate the use of the formulas. Application of the formulas to package design and to the selection of a screening level for an already designed package is briefly discussed.

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1975
Accession Number
ADA021253

Entities

People

  • Charles Libove

Organizations

  • Syracuse University

Tags

DTIC Thesaurus Topics

  • Heat Transmission
  • Shock
  • Thermal Shock

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Structural Dynamics.
  • Thermal Physics or Thermal Science.

Technology Areas

  • Microelectronics