发明名称 |
SURFACE ACOUSTIC WAVE SENSOR OR IDENTIFICATION DEVICE WITH BIOSENSING CAPABILITY |
摘要 |
A surface acoustic wave sensor or identification device has a piezoelectric material, and an interdigitated transducer (IDT) input/output mounted on the piezoelectric material for receiving a radio frequency (RF) signal and propagating a corresponding surface acoustic wave along a surface of the piezoelectric material. An IDT finger electrode array is mounted on the piezoelectric material and is operable to communicate with the IDT input/output for transmission of a modified RF sign al from the device. The IDT finger electrode array has at least one finger electrode segment whose propagating characteristics are controlled to control the nature of th e modified RF signal. A biolayer is mounted on the piezoelectric material and is associated with the finger electrode segment, and a fluidic chamber is associated with the biolayer. In use, the fluidic chamber contains fluid which, if a predetermined substance to be sensed or detected is present, operates to modify the biolayer which in turn controls the nature of the modified RF signal.
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申请公布号 |
CA2532835(A1) |
申请公布日期 |
2006.11.30 |
申请号 |
CA20062532835 |
申请日期 |
2006.01.13 |
申请人 |
HUNT, WILLIAM D.;EDMONSON, PETER J.;CAMPBELL, COLIN K. |
发明人 |
HUNT, WILLIAM D.;EDMONSON, PETER J.;CAMPBELL, COLIN K. |
分类号 |
G01N27/416;G01D5/56;G01N27/327;G01N33/487 |
主分类号 |
G01N27/416 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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