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Are rework or second operation possible using the improved technology?
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Answer: Yes, but likely it will be with some difficulty. Fundamentally if it becomes necessary to rework, something must have gone unnecessarily wrong with the design and/or process. That said, concepts for rework have been considered. These could involve the removal or isolation of the defective parts (such as by laser or water jet cutting) and replacement with a new device. Circuit rework, “cuts-and-jumps”, “white-wiring”. etc will be a similar processing challenge. It is conceptually possible to, in essence, erase the circuits and begin again. These process development and demo tasks are being planned. The preference is, of course, to design and build the structures right the first time.
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