Я почти такое уже видел. Кристалл с микросхемами распиливали фольгой (почти такая же как шоколадные конфетки заворачивают), но самая кромка была покрыта алмазной пылью. Рез был толщиной 0,1мм.
Клеится наждачка камнями наружу ессно(под пресс желательно) и такая пила получается, особенно для бальзы листовой …
От нищиты (ибо в опилки уходило много) и чтобы не кромсало, на тонкие диски денег не было , а “Умелые руки” были:(
Прям молодость вспомнил…
При помощи линзы и точечного источника можно получить на плоскости изображение любых оптических возмущений, не видных обычному глазу.
Шлирен-метод был разработан Августом Тёплером и изначально применялся для контроля геометрии при изготовлении сферических зеркал телескопов.
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