Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1998-12-16
2000-06-13
Budd, M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
H01L 4108
Patent
active
060753129
ABSTRACT:
A main structure is intended to engage and disengage an flow-injection type piezoelectric sensor and is composed of a movable stand, a lifting mechanism, and a fixed injection portion. The movable stand is capable of being actuated by a rotary shaft of the lifting mechanism to move upwards or downwards. The movable stand is provided with a retaining slot capable of catching and releasing the flow-injection type piezoelectric sensor. When the movable stand is lifted, a transparent end of the fixed injection portion is in an intimate contact with a planar surface of the flow-injection type piezoelectric sensor which is caught in the retaining slot of the movable stand. A liquid test sample is thus injected into a charge channel of the transparent end such that the liquid test sample flows on the surface of a piezoelectric crystal located in an opening of the planar surface of the flow-injection type piezoelectric sensor for detecting the presence of a target molecule in the test sample.
REFERENCES:
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patent: 4088916 (1978-05-01), Weineck
patent: 4429570 (1984-02-01), Tinder
patent: 4432228 (1984-02-01), Kuschmierz
patent: 4556815 (1985-12-01), Ohhashi et al.
patent: 4741231 (1988-05-01), Patterson et al.
Chan Wu-Chin
Chang I-Nan
Hsu Ray-Yi
Lo Chung-Chih
Wu Tzong-Zeng
Budd M.
Smart Biotechnology Co., Ltd.
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