Oriental System Technology Inc.

National Kaohsiung University of Applied Sciences

Wen-Chie Huang

Chein-Hsun Wang

Ming Le

Jenping Ku

Chen-Tang Huang

Chung-Nan Chen

Yu-Chih Liang

Tung-Yang Lee

Chein-Hsing Yu

Chun-Chiang Chen

Chih-Chun Chen

Chien-Hua Hsiao

Chun-Hao Chen

A temperature sensing device includes a substrate, a first reflective module, a first window cover, and a dual thermopile sensor. The first reflective module is disposed on the substrate, including a first mirror chamber with a narrow field of view (FOV), and the first reflective module focuses a thermal radiation from measured object to a first image plane in the first mirror chamber. The first window cover is disposed on the first reflective module, and the first window cover allows a selected band of the thermal radiation to pass through. The dual thermopile sensor is disposed on the substrate and located in the first mirror chamber, and the dual thermopile sensor senses a temperature data from the first image plane. Additional second reflective module, LED source plus pin hole with same FOV of dual thermopile sensor can illuminate the measured object for ease of placement of object to be heated.

Temperature sensing device

An infrared thermopile sensor includes a silicon cover having an infrared lens, an infrared sensing chip having duo-thermopile sensing elements, and a microcontroller chip calculating a temperature of an object. The components are in a stacked 3D package to decrease the size of the infrared thermopile sensor. The infrared sensing chip and the microcontroller chip have metal layers to shield the thermal radiation. To measure object temperature accurately under acute change in environmental temperature, this disclosure uses the duo-thermopile sensing elements, that one is the active unit for measuring the object temperature and another one is the dummy unit for compensating the effect from the package structure.

Infrared thermopile sensor

An infant care apparatus includes a piezoelectric sensor and an infrared array sensor. The piezoelectric sensor senses a respiration rate and a heart rate of an infant. The infrared array sensor senses a body temperature and an occupancy state of the infant in a non-contact manner. The abovementioned infant care apparatus can assist in determining an abnormality of the respiration rate and the heart rate of the infant based on the occupancy state of the infant output by the infrared array sensor, so as to reduce a false alarm rate.

Infant care apparatus

An ultrasonic biometric sensor comprises a detection chip. The detection chip includes a substrate, an ultrasonic transducer array and a control circuit. The ultrasonic transducer array is arranged on the substrate, including a plurality of arrayed piezoelectric elements. Each piezoelectric element is disposed on a floating membrane. The floating membrane is suspended in the opening side of a cavity by at least one support arm extending transversely. The control circuit is also arranged on the substrate and electrically connected with each piezoelectric element through the support arm to control the ultrasonic transducer array to generate an ultrasonic signal and read the reflected ultrasonic signal received by the ultrasonic transducer array. The ultrasonic biometric sensor is easy to fabricate and has a high yield.

Ultrasonic biometric sensor

A thermal sensing device comprises a substrate, a first insulating layer, at least one first sensing resistor, at least one second sensing resistor, a plurality of etching holes and a cavity. The first insulating layer is disposed on the substrate. The first sensing resistor is disposed above the first insulating layer. The second sensing resistor is disposed above the first insulating layer and isolated from the at least one first sensing resistor. The etching holes are disposed around the at least one first sensing resistor and the at least one second sensing resistor. The cavity is formed below the at least one first sensing resistor and the at least one second sensing resistor. The thermal sensing device is implemented in a measurement circuit to improve the problem that the signal becomes smaller when the sensing element is minimized.

Thermal sensing device

A metallic silicide resistive thermal sensor has a body, a conductive wire and multiple electrodes. The body has multiple etching windows formed on the body and a cavity formed under the etching windows. The etching windows separate the body into a suspended part and multiple connection parts. The conductive wire is formed on the suspended part and the connection parts and is made of metallic silicide. The electrodes are formed on the body and are electrically connected to the conductive wire. The metallic silicide is compatible for common CMOS manufacturing processes. The cost for manufacturing the resistive thermal sensor decreases. The metallic silicon is stable at high temperature. Therefore, the performance of the resistive thermal sensor in accordance with the present invention is improved.

Growing community of inventors

Hualien County, Taiwan

Wen-Chie Huang