Invention Grant
US08827550B2 Thermal sensor using a vibrating MEMS resonator of a chip interconnect layer 有权
使用芯片互连层的振动MEMS谐振器的热传感器

Thermal sensor using a vibrating MEMS resonator of a chip interconnect layer
Abstract:
Methods and apparatuses for Micro-Electro-Mechanical Systems (MEMS) resonator to monitor temperature in an integrated circuit. Fabricating the resonator in an interconnect layer provides a way to implement thermal detection means which is tolerant of manufacturing process variations. Sensor readout and control circuits can be on silicon if desired, for example, a positive feedback amplifier to form an oscillator in conjunction with the resonator and a counter to count oscillator frequency.
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