IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0665431
(2007-12-13)
|
등록번호 |
US-8421485
(2013-04-16)
|
우선권정보 |
JP-2007-248433 (2007-09-26) |
국제출원번호 |
PCT/JP2007/001393
(2007-12-13)
|
§371/§102 date |
20091218
(20091218)
|
국제공개번호 |
WO2009/040878
(2009-04-02)
|
발명자
/ 주소 |
- Morita, Mizuho
- Hirokane, Takaaki
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
A particle detection device (10) included substrates (1, 4), insulating members (2, 3), supporting member (5), and electrodes (6, 7). The insulating member (2) is provided on a principal surface of the substrate (1) and has a recess. The insulating member (3) is provided so as to make contact with t
A particle detection device (10) included substrates (1, 4), insulating members (2, 3), supporting member (5), and electrodes (6, 7). The insulating member (2) is provided on a principal surface of the substrate (1) and has a recess. The insulating member (3) is provided so as to make contact with the insulating member (3) and the substrate (4). The substrate (4) is formed on a principal surface of the supporting member (5). The electrode (6) is formed on a surface, which is opposite to the surface where the insulating member (2) is formed, of the substrate (1). The electrode (7) is formed on the surface (5A), the side surface (5B), and the rear surface (5C) of the supporting member (5) so as to be connected to the substrate (4). Accordingly, the detection device 10 includes a gap (8) surrounded by the insulating members (2, 3). The substrate (1) is connected to the substrate (4) with the insulating members (2, 3) and the supporting member (5) (quartz). In one embodiment, the insulating member (3) consist of quantum dots. Detection of the particles is either optically or electrically.
대표청구항
▼
1. A detection device for identifying a target substance or substances, comprising: a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting m
1. A detection device for identifying a target substance or substances, comprising: a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting material;an insulating member positioned between the first substrate and the second substrate;a gap positioned between the first substrate and the second substrate, wherein the gap is configured to receive a sample containing the target substance or substances; anda current decreasing member configured to decrease leakage current across the first substrate and the second substrate;wherein the current decreasing member includes a first insulative material positioned on a surface of the first substrate and along the gap and a second insulative material positioned on a surface of the second substrate and along the gap, wherein the first insulative material forms an entire edge of the gap nearest the first substrate, and wherein the second insulative material forms an entire edge of the gap nearest the second substrate. 2. The detection device according to claim 1, wherein the current decreasing member includes a nonconductive supporting member adjacent the second substrate and contacting the insulating member; wherein the first substrate is provided on a surface of the supporting member apart from the insulating member, the surface being along the gap; andwherein each of the first and the second substrates includes at least one of metal, metal alloy, a metal-semiconductor compound, semimetal, a semiconductor, a transparent conductor, and conductive organic matter. 3. The detection device according to claim 2, wherein the second substrate includes the semiconductor; and wherein the insulating member includes a nonconductive material deposited on the second substrate. 4. The detection device according to claim 3, wherein the second substrate includes a silicon material; and wherein the insulating member includes at least one of a thermal oxide on the second substrate, a thermal nitride on the second substrate, a thermal carbide on the second substrate, or a compound thereof. 5. The detection device according to claim 3, wherein the second substrate includes a silicon material; and wherein the insulating member includes: a first insulating member including at least one of a thermal oxide on the second substrate, a thermal nitride on the second substrate, a thermal carbide on the second substrate, or a compound thereof, anda second insulating member including an insulating material different from the first insulating member. 6. The detection device according to claim 5, wherein the supporting member includes quartz; wherein the first insulating member includes the thermal oxide; andwherein the second insulating member includes a silicon dioxide film different from the thermal oxide. 7. The detection device according to claim 2, wherein the first substrate includes the metal; and wherein the second substrate includes the semiconductor. 8. The detection device according to claim 2, wherein the first substrate includes a p-type semiconductor; and wherein the second substrate includes an n-type semiconductor. 9. The detection device according to claim 1, wherein the current decreasing member includes quantum dots provided on a surface of at least one of the first and the second substrates, the surface being along the gap; and wherein each of the first and the second substrates includes at least one of metal, metal alloy, a metal-semiconductor compound, semimetal, a semiconductor, a transparent conductor, or conductive organic matter. 10. The detection device according to claim 9, wherein the quantum dots include at least one of a semiconductor, silicide, or metal. 11. The detection device according to claim 9, wherein the first substrate includes a p-type semiconductor; and wherein the second substrate includes an n-type semiconductor. 12. The detection device according to claim 1, wherein the current decreasing member includes a plurality of insulating films provided on a surface of at least one of the first and the second substrates at intervals, the surface being along the gap. 13. The detection device according to claim 12, wherein the first substrate includes a p-type semiconductor; and wherein the second substrate includes an n-type semiconductor. 14. The detection device according to claim 1, further comprising a mount detector comprising an indicator showing mounting history of the detection device. 15. The detection device according to claim 1, wherein the insulating member includes a first oxide and a second oxide different from the first oxide. 16. The detection device according to claim 1, wherein the insulating member is located on the second substrate and covers all of the area on the second substrate directly across from the first substrate. 17. The detection device according to claim 1, wherein the first substrate and the second substrate are each electrically and physically connected to respective electrodes. 18. The detection device according to claim 17, wherein the respective electrodes are electrically connected to a voltage supply and a current measurement device. 19. A detection system for identifying a target substance or substances comprising: a detection device for identifying a target substance or substances comprising:a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting material;an insulating member positioned between the first substrate and the second substrate;a gap positioned between the first substrate and the second substrate, wherein the gap is configured to receive a sample containing the target substance or substances; anda current decreasing member configured to decrease leakage current across the first substrate and the second substrate;wherein the current decreasing member includes a first insulative material positioned on a surface of the first substrate and along the gap and a second insulative material positioned on a surface of the second substrate and along the gap, wherein the first insulative material forms an entire edge of the gap nearest the first substrate, and wherein the second insulative material forms an entire edge of the gap nearest the second substrate;a mount detector comprising an indicator showing mounting history of the detection device;an installation unit configured to be mounted with the detection device;a light source configured to irradiate the gap;a photodetector configured to detect light from the gap; anda detection/analysis unit configured to detect or analyze the target substance or substances based on the detection result by the photodetector;wherein the mount detector of the detection device indicates that the detection device has been mounted to the installation unit. 20. A detection system for identifying a target substance or substances comprising: a detection device for identifying a target substance or substances comprising:a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting material;an insulating member positioned between the first substrate and the second substrate;a gap positioned between the first substrate and the second substrate, wherein the gap is configured to receive a sample containing the target substance or substances; anda current decreasing member configured to decrease leakage current across the first substrate and the second substrate;wherein the current decreasing member includes a first insulative material positioned on a surface of the first substrate and along the gap and a second insulative material positioned on a surface of the second substrate and along the gap, wherein the first insulative material forms an entire edge of the gap nearest the first substrate, and wherein the second insulative material forms an entire edge of the gap nearest the second substrate;a mount detector comprising an indicator showing mounting history of the detection device;an installation unit configured to be mounted with the detection device;a power source configured to apply a voltage across the first and the second substrates of the detection device;a measurement unit configured to measure an electric current flowing across the first and the second substrates; anda detection/analysis unit configured to detect or analyze the target substance or substances based on the electric current measured by the measurement unit;wherein the mount detector of the detection device indicates that the detection device has been mounted to the installation unit. 21. A detection system for identifying a target substance or substances, comprising: a detection device for identifying the target substance or substances comprising:a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting material;an insulating member positioned between the first substrate and the second substrate;a gap positioned between the first substrate and the second substrate, wherein the gap is configured to receive a sample containing the target substance or substances; anda current decreasing member configured to decrease leakage current across the first substrate and the second substrate;wherein the current decreasing member includes a first insulative material positioned on a surface of the first substrate and along the gap and a second insulative material positioned on a surface of the second substrate and along the gap, wherein the first insulative material forms an entire edge of the gap nearest the first substrate, and wherein the second insulative material forms an entire edge of the gap nearest the second substrate;a mount detector comprising an indicator showing mounting history of the detection device;a light source configured to irradiate the gap;a photodetector configured to detect light from the gap; anda detection/analysis unit configured to detect or analyze the target substance or substances based on the detection result by the photodetector. 22. The detection system according to claim 21, wherein the light source is configured to irradiate the gap with a plurality of lights each having a distinct wavelength. 23. The detection system according to claim 21, wherein the photodetector is configured to detect fluorescence generated by the target substance present in the gap. 24. A detection system for identifying a target substance or substances, comprising: a detection device for identifying the target substance or substances, comprising:a first substrate;a second substrate facing the first substrate, wherein at least one of the first substrate or the second substrate includes at least one of an electrically-conductive material or a semi-conducting material;an insulating member positioned between the first substrate and the second substrate;a gap positioned between the first substrate and the second substrate, wherein the gap is configured to receive a sample containing the target substance or substances; anda current decreasing member configured to decrease leakage current across the first substrate and the second substrate;wherein the current decreasing member includes a first insulative material positioned on a surface of the first substrate and along the gap and a second insulative material positioned on a surface of the second substrate and along the gap, wherein the first insulative material forms an entire edge of the gap nearest the first substrate, and wherein the second insulative material forms an entire edge of the gap nearest the second substrate;a mount detector comprising an indicator showing mounting history of the detection device;a power source configured to apply a voltage across the first and the second substrates of the detection device;a measurement unit configured to measure an electric current flowing across the first and the second substrates; anda detection/analysis unit configured to detect or analyze the target substance or substances based on the electric current measured by the measurement unit.
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