Surface acoustic wave device
A SAW device includes: a SAW chip having a piezoelectric substrate and transmitting and receiving transducers; a circuit board formed with conductive inner contacts, each of which is connected electrically to a respective one of the transmitting and receiving transducers; a first adhesive-confining...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A SAW device includes: a SAW chip having a piezoelectric substrate and transmitting and receiving transducers; a circuit board formed with conductive inner contacts, each of which is connected electrically to a respective one of the transmitting and receiving transducers; a first adhesive-confining curb interconnecting the circuit board and the transmitting and receiving transducers and cooperating with the circuit board and the SAW chip to define an enclosed cavity thereamong; a second adhesive-confining curb surrounding the first adhesive-confining curb to define a sealing space therebetween; an adhesive body filling the sealing space; and a molding compound covering the SAW chip and connected sealingly to the second adhesive-confining curb. |
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