β Scribed by J.N. Burghartz
No coin nor oath required. For personal study only.
Add-on process modules as enhancements for standard high-frequency silicon integration processes are discussed. Such modules can cost-effectively be added without any interference with the core process before (pre-process modules), during (mid-process modules), or after (post-process modules) the circuit integration. In addition, layout options providing a most cost-effective means of enhancement are discussed. High-resistivity silicon substrates, ferromagnetic thinfilm integration, bulk micromachining, saddle-add-on metallization, spacer-substrate integration, and metal layer shunting are presented as examples in those categories.
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