It’s actually a two level structure, the controller die is out of view on the lower layer (but we can see some gold contacts deep down that it presumably connects to). The quartz crystal is a rectangular sheet with a slightly textured surface and rounded corners, with a gold electrode covering most of the top and bottom surface. One side of the crystal hangs over a small rib on the edge of the package but doesn’t seem to touch it (maybe this is an end stop to keep it from breaking if dropped?) while the other side is attached to a pair of gold contacts on the ceramic package with a conductive adhesive of some sort, probably silver filled epoxy.
Now celebrating its 75th anniversary, Twig's story began in a Tokyo hospital bed where Floyd Hartwig was recuperating after being shot in both legs during the Korean War.，这一点在新收录的资料中也有详细论述
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«Запасов газа осталось на два дня». Европа становится уязвимой из-за конфликта на Ближнем Востоке. Почему?DM: В Британии запасов газа осталось на два дня
This talk had nothing to do with cyber security, but was more about, the use of drones in warfare. It presents the historical use of drones in war and how it has changed with time, to what it is today. 6，详情可参考新收录的资料