Performance optimization of a field emission device
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05B-037/00
H05B-039/00
H05B-041/00
H01J-029/02
H01J-029/48
출원번호
US-0545504
(2012-07-10)
등록번호
US-9018861
(2015-04-28)
발명자
/ 주소
Hyde, Roderick A.
Kare, Jordin T.
Myhrvold, Nathan P.
Pan, Tony S.
Wood, Jr., Lowell L.
출원인 / 주소
Elwha LLC
인용정보
피인용 횟수 :
0인용 특허 :
40
초록▼
A field emission device is configured as a heat engine. Different embodiments of the heat engine may have different configurations that may include a cathode, gate, suppressor, and anode arranged in different ways according to a particular embodiment. Different embodiments of the heat engine may als
A field emission device is configured as a heat engine. Different embodiments of the heat engine may have different configurations that may include a cathode, gate, suppressor, and anode arranged in different ways according to a particular embodiment. Different embodiments of the heat engine may also incorporate different materials in and/or proximate to the cathode, gate, suppressor, and anode.
대표청구항▼
1. A method, comprising: receiving a first signal corresponding to a heat engine, the heat engine including an anode, cathode, spacer region, gate and suppressor;processing the first signal to determine a relative thermodynamic efficiency and a relative power output of the heat engine;producing a se
1. A method, comprising: receiving a first signal corresponding to a heat engine, the heat engine including an anode, cathode, spacer region, gate and suppressor;processing the first signal to determine a relative thermodynamic efficiency and a relative power output of the heat engine;producing a second signal corresponding to a selected relative thermodynamic efficiency and a selected relative power output; andtransmitting the second signal. 2. The method of claim 1 wherein processing the first signal includes: determining the relative thermodynamic efficiency and the relative power output as a function of an anode electric potential. 3. The method of claim 2 wherein producing the second signal includes: selecting an anode electric potential based on the selected relative thermodynamic efficiency; andproducing the second signal corresponding to the selected anode electric potential. 4. The method of claim 3 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency. 5. The method of claim 2 wherein producing the second signal includes: selecting an anode electric potential based on the selected relative power output; andproducing the second signal corresponding to the selected anode electric potential. 6. The method of claim 5 wherein the selected relative power output is a maximum relative power output. 7. The method of claim 2 wherein producing the second signal includes: selecting a range of anode electric potential, the range being defined by the selected relative thermodynamic efficiency and the selected relative power output; andproducing the second signal corresponding to the selected range. 8. The method of claim 7 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency and wherein the selected relative power output is a maximum relative power output. 9. The method of claim 1 wherein the first signal includes data representative of at least one of an anode electric potential, a gate electric potential, a suppressor electric potential, an anode temperature, a cathode temperature, an anode work function, a cathode work function, a cathode-anode separation, a cathode-gate separation, a suppressor-anode separation, a cathode band structure, and an anode band structure. 10. The method of claim 2 wherein processing the first signal includes: selecting an anode electric potential after determining the relative thermodynamic efficiency and the relative power output as a function of the anode electric potential; anddetermining the relative thermodynamic efficiency and the relative power output as a function of at least one of a gate electric potential and a suppressor electric potential for the selected anode electric potential. 11. The method of claim 1 wherein processing the first signal includes: determining the relative thermodynamic efficiency and the relative power output as a function of a gate electric potential. 12. The method of claim 11 wherein producing the second signal includes: selecting a gate electric potential based on the selected relative thermodynamic efficiency; andproducing the second signal corresponding to the selected gate electric potential. 13. The method of claim 12 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency. 14. The method of claim 11 wherein producing the second signal includes: selecting a gate electric potential based on the selected relative power output; andproducing the second signal corresponding to the selected gate electric potential. 15. The method of claim 14 wherein the selected relative power output is a maximum relative power output. 16. The method of claim 11 wherein producing the second signal includes: selecting a range of gate electric potential, the range being defined by the selected relative thermodynamic efficiency and the selected relative power output; andproducing the second signal corresponding to the selected range. 17. The method of claim 16 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency and wherein the selected relative power output is a maximum relative power output. 18. The method of claim 11 wherein processing the first signal includes: selecting a gate electric potential after determining the relative thermodynamic efficiency and the relative power output as a function of the gate electric potential; anddetermining the relative thermodynamic efficiency and the relative power output as a function of at least one of an anode electric potential and a suppressor electric potential for the selected gate electric potential. 19. The method of claim 1 wherein processing the first signal includes: determining the relative thermodynamic efficiency and the relative power output as a function of a suppressor electric potential. 20. The method of claim 19 wherein producing the second signal includes: selecting a suppressor electric potential based on the selected relative thermodynamic efficiency; andproducing the second signal corresponding to the selected suppressor electric potential. 21. The method of claim 20 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency. 22. The method of claim 19 wherein producing the second signal includes: selecting a suppressor electric potential based on the selected relative power output; andproducing the second signal corresponding to the selected suppressor electric potential. 23. The method of claim 22 wherein the selected relative power output is a maximum relative power output. 24. The method of claim 19 wherein producing the second signal includes: selecting a range of suppressor electric potential, the range being defined by the selected relative thermodynamic efficiency and the selected relative power output; andproducing the second signal corresponding to the selected range. 25. The method of claim 24 wherein the selected relative thermodynamic efficiency is a maximum relative thermodynamic efficiency and wherein the selected relative power output is a maximum relative power output. 26. The method of claim 19 wherein processing the first signal includes: selecting a suppressor electric potential after determining the relative thermodynamic efficiency and the relative power output as a function of the suppressor electric potential; anddetermining the relative thermodynamic efficiency and the relative power output as a function of at least one of a gate electric potential and an anode electric potential for the selected suppressor electric potential. 27. An apparatus comprising: circuitry configured to receive a first signal corresponding to a heat engine, the heat engine including an anode, cathode, spacer region, gate and suppressor;circuitry configured to process the first signal to determine a relative thermodynamic efficiency and a relative power output of the heat engine;circuitry configured to produce a second signal corresponding to a selected relative thermodynamic efficiency and a selected relative power output; andcircuitry configured to transmit the second signal. 28. The apparatus of claim 27 wherein the circuitry configured to process the first signal includes: circuitry configured to determine the relative thermodynamic efficiency and the relative power output as a function of an anode electric potential. 29. A method of optimizing the performance of a heat engine, comprising: determining substantially fixed parameters of the heat engine, the substantially fixed parameters including a cathode-gate separation, a suppressor-anode separation, and a cathode-anode separation;calculating a first relative thermodynamic efficiency of the heat engine as a function of the substantially fixed parameters and as a function of a first set of values for variable parameters of the heat engine, the variable parameters including a cathode temperature, an anode temperature, an anode electric potential, a gate electric potential, and a suppressor electric potential;calculating a second relative thermodynamic efficiency of the heat engine as a function of the substantially fixed parameters and as a function of a second set of values for the variable parameters, wherein at least one variable parameter has a different value in the first and second sets of values; andsetting the at least one variable parameter according to the calculated first and second relative thermodynamic efficiencies.
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이 특허에 인용된 특허 (40)
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Tatsumi, Natsuo; Namba, Akihiko; Nishibayashi, Yoshiki; Imai, Takahiro, Electron emitting device with projection comprising base portion and electron emission portion.
Rumbaugh Robert C. ; Smith Robert T. ; Trujillo Johann ; Xie Chenggang ; Johnson Scott V. ; Moyer Curtis D. ; Rice David M., Field emission display and method for the operation thereof.
Seon,Hyeong Rae; Chang,Cheol Hyeon; Chang,Dong Su; Kim,Dong Wook; Ha,Jae Sang, Field emission display including mesh grid and focusing electrode and its method of manufacture.
Choi, Kyung Moon; Jin, Sungho; Kochanski, Gregory Peter; Zhu, Wei, Field emitting device comprising field-concentrating nanoconductor assembly and method for making the same.
MacLennan Donald A. ; Dymond ; Jr. Lauren E. ; Gitsevich Aleksandr ; Grimm William G. ; Kipling Kent ; Kirkpatrick Douglas A. ; Ola Samuel A. ; Simpson James E. ; Trimble William C. ; Tsai Peter ; Tu, High frequency inductive lamp and power oscillator.
Yamazaki Yuichiro (Edogawa JPX) Miyoshi Motosuke (Minato JPX) Nagai Takamitsu (Shinjuku JPX), Magnetic immersion field emission electron gun systems capable of reducing aberration of electrostatic lens.
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