최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0847415 (2013-03-19) |
등록번호 | US-8894947 (2014-11-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 612 |
A microfluidic processing device includes a substrate defining a microfluidic network. The substrate is in thermal communication with a plurality of N independently controllable components and a plurality of input output contacts for connecting the substrate to an external controller. Each component
A microfluidic processing device includes a substrate defining a microfluidic network. The substrate is in thermal communication with a plurality of N independently controllable components and a plurality of input output contacts for connecting the substrate to an external controller. Each component has at least two terminals. Each terminal is in electrical communication with at least one contact. The number of contacts required to independently control the N components is substantially less than the total number of terminals. Upon actuation, the components typically heat a portion of the microfluidic network and/or sense a temperature thereof.
1. A microfluidic system, comprising: a first device comprising a first substrate defining a microfluidic network comprising at least one of each of a thermally actuated valve, and a thermally actuated reaction chamber; anda second device, configured to operatively receive the first device, the seco
1. A microfluidic system, comprising: a first device comprising a first substrate defining a microfluidic network comprising at least one of each of a thermally actuated valve, and a thermally actuated reaction chamber; anda second device, configured to operatively receive the first device, the second device comprising a second substrate defining a plurality of heat sources, each heat source being in thermal communication with a respective one of the valve and reaction chamber of the first device,wherein at least one of the heat sources is a combined heating and temperature sensing element. 2. The microfluidic system of claim 1, wherein the second device has a substantially lower thermal conductivity than the plurality of heat sources. 3. The microfluidic system of claim 1, further comprising control circuitry configured to control the heat sources. 4. The microfluidic system of claim 1, wherein the microfluidic system is controlled by signals received from a data acquisition and control board. 5. The microfluidic system of claim 4, wherein the signals received from the data acquisition and control board comprise electrical signals. 6. The microfluidic system of claim 4, wherein the signals received from the data acquisition and control comprise optical signals. 7. The microfluidic system of claim 6, wherein the combined heating and temperature sensing element comprises a resistive temperature sensor. 8. The microfluidic system of claim 1, wherein the heat sources are connected to an electrical conductor. 9. The microfluidic system of claim 8, wherein the heat sources are connected to the electrical conductor in series. 10. The microfluidic system of claim 8, wherein the heat sources are connected to the electrical conductor in parallel. 11. The microfluidic system of claim 1, wherein the thermally actuated valve is thermopneumatically actuated. 12. The microfluidic system of claim 1, wherein the heat source in thermal communication with the reaction chamber is configured to thermal cycle the reaction chamber to perform a polymerase chain reaction. 13. The microfluidic system of claim 1, wherein each heat source has at least two terminals, and the microfluidic system further comprises a plurality of input/output contacts for electrically connecting terminals of the heat sources to a controller, wherein the number of contact required to independently control the plurality of heat sources is less than the total number of terminals. 14. The microfluidic system of claim 13, wherein the controller can control each heating element of said plurality of heating elements independently. 15. The microfluidic system of claim 1, wherein the second device comprises a plurality of current flow directional elements, each configured to allow current to flow in essentially only one direction through one of the heating elements. 16. The microfluidic system of claim 15, wherein the current flow directional elements are further configured to substantially prevent current flow in a second, opposite direction through the heating elements. 17. The microfluidic system of claim 15, wherein the current flow directional elements are diodes. 18. The microfluidic system of claim 15, wherein the current flow directional elements are microfabricated on the second substrate. 19. The microfluidic system of claim 15, wherein said thermally actuated valve comprises a temperature responsive substance. 20. The microfluidic system of claim 15, wherein said temperature responsive substance is wax.
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