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White Papers

AJA and Vacuum Energy Inc. are pleased to present a series of white papers on a monthly basis in conjunction with Semiconductor Packaging News:

December 15, 2009
Leak Rate Implications
Leaks, what they are, how to measure them, how to prevent them, their impacts on hermeticity, and if they even matter at all, is a real kettle of fish.

Oct 27, 2009
It's Still Way Too Much Water
In the previous article, Way Too Much Water, we talked about sealed packages containing 10v%+ moisture as having way too much water. We discussed a simple, rule of thumb, calculation for getter design that implied all that water as present in the liquid state.

Aug 26, 2009
Way Too Much Water
In the prior article on “Removing Water” we touched on the basics of gettering moisture from sealed enclosures. Getters are only part of the ultimate solution however. We have seen some enclosures with so much water inside that other corrective actions are needed before gettering is viable. Consider the following actual gas ...

Jul 23, 2009
Removing Water
Prior articles in this series discussed the sources of water vapor in hermetically sealed packages and the adverse consequences this water can cause for your devices. Having identified the issue, now we need to determine how to remove the water and solve the problems it causes. The issue of water and its removal ...

Jun 15, 2009
Where Does The Water Come From?
Water! Is there a more paradoxical molecule? It’s essential for life, and to manufacturing today’s microdevices. Yet it is a major cause of erratic performance and failure in electronic and micromechanical devices. In a prior article, we discussed the effect of water vapor on stiction forces which can impact normal function of micro and ...

May 13, 2009
Stiction (a word coined from the combination of static and friction) is the force required to cause one body which is in contact with another to begin to move. The magnitude of stiction forces becomes especially important for the moving parts of microelectromechanical machines (MEMs). These devices find ever-growing usage in a wide variety of ...





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