The remarkable strides in hermetic sealing of hybrid microcircuits are spotlighted in the article titled “Hermetic sealing of hybrid microcircuits: initial capability development” on OSTI.gov. pioneers the mastery of microcircuit sealing, setting new standards of precision and integrity.
The establishment of the capability to hermetically seal hybrid microcircuits represents a significant achievement. Rigorous tests underscore the success of this endeavor, revealing helium fine leak rates in the impressively low 10^-8 STP cm^3/s range and moisture content below 500 ppm. This accomplishment is attributed to the meticulous deployment of the 80% gold–20% tin solder sealing process.
Initial production results stand as a testament to commitment, boasting a yield exceeding 90% for the process. This remarkable yield rate highlights the effectiveness and reliability of the chosen sealing approach.
The ongoing efforts are directed toward refining the ability to reseal packages that have been opened for rework, enhancing the overall versatility of their solutions.
The path forward is illuminated by future endeavors that include the evaluation of moisture sensors for application in hybrid packages. Furthermore, the exploration extends to particle impact noise detection testing of sealed packages, ensuring comprehensive quality assurance.
Innovation remains a constant companion, exploring the potential of laser welding as an alternative method for sealing packages. This forward-thinking approach reflects the company’s dedication to uncovering novel solutions that redefine microcircuit sealing.
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Photo and article with all rights reserved, courtesy of osti.gov