TW492203B - Superconducting coherent electromagnetic wave oscillation device and its manufacturing method - Google Patents
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492203492203
五、發明說明(l) 【技術領域】 本發明有關於利 物南溫超傳導體注 射電磁波藉以進行 盪裝置及其製造方 【背景技術】 用同調之電磁波之 入電流,隨著非平 同调電磁波振盪之 法。 振盡’尤其是對氧化 衡狀態之實現用來放 超傳導同調電磁波振 習知之超傳導電磁波振盪裝置有約瑟夫(J〇sephs〇n)交 流效應振盪裝置’超傳導磁通流動振盪裝置和雷射照射型 電磁波振盪裝置等。 …V. Description of the Invention (1) [Technical Field] The present invention relates to a device for injecting electromagnetic waves by using a South-South superconductor to oscillate a device and a manufacturing method thereof. [Background Art] The current of a coherent electromagnetic wave is used to synchronize the electromagnetic wave with the non-flat one. The method of oscillation. "Extreme vibration", especially the realization of the state of oxidation balance, used to release the superconducting coherent electromagnetic wave vibration. The conventional superconducting electromagnetic wave oscillation device has Joseph (Joseph) AC effect oscillator. Irradiation type electromagnetic wave oscillating device and the like. ...
與該等超傳導電磁波振盪裝置有關的有如β. D.Related to such superconducting electromagnetic wave oscillation devices is β. D.
Josephson 之提案。在該提案(phySics Letters,V〇l· 1, 25 1 -253,1 962 )中,當將超傳導接合偏移成為有限電壓 時,就在超傳導接合產生超高頻之交流電流之流動,放射 與其頻率對應之電磁波。在此種方法中,可以進行電磁波 之振盪,但是不能進行具有放大作用之電磁波振盪。Josephson's proposal. In this proposal (phySics Letters, Vol. 1, 25 1 -253, 1 962), when the superconducting junction is shifted to a finite voltage, ultra-high frequency AC current flows in the superconducting junction, It emits electromagnetic waves corresponding to its frequency. In this method, electromagnetic wave oscillation can be performed, but electromagnetic wave oscillation having an amplification effect cannot be performed.
另外 ’D.N· Langenberg 等對(physical Review Letters Vol. 15,294-297,1 96 5 ),Β·D· Josephson 之 提案進行檢討實驗,成功的檢測到9GHz之微波電力,但是 不能進行具有放大作用之振盪。 在 T. Nagatsuma 等之提案(journal 〇f Applied physics Vol· 54,33 0 2-33 1 1,1 9 83 )中,在對長約瑟夫 接合施加有磁場之狀態,使電流在該接面流動,利用洛倫 茲(Lorentz)力驅動存在於接面内之量子磁通,可以振盪 出50 0GHz程度之微波,但是利用其原理不能進行具有效大In addition, 'DN · Langenberg et al. (Physical Review Letters Vol. 15, 294-297, 1 96 5), BD Josephson proposed a review experiment, and successfully detected microwave power at 9GHz, but it could not be used for amplification. Of oscillation. In the proposal by T. Nagatsuma et al. (Journal 〇f Applied Physics Vol. 54, 33 0 2-33 1 1, 19 83), in a state where a magnetic field is applied to the long Joseph junction, an electric current flows through the junction, The Lorentz force is used to drive the quantum magnetic flux existing in the interface, which can oscillate a microwave of about 50 GHz, but it cannot be used to make it effective.
89111304.ptd89111304.ptd
第4頁 492203 五、發明說明(2) 作用之電磁波振盪。 另外,在Hechtfischer 等之提案(physical Review Letters Vo 1· 79,1 3 6 5- 1 3 68,1 9 97 )中,依照高溫超傳 導體單結晶之C轴方向之垂直方向施加磁場,可以檢測出 所產生之1 0GHz程度之電磁波,但是在該提案中,不僅不 能利用其原理進行具有放大作用之電磁波振盪,而且需要 施加強磁場。 另外,在Tonouchi 等之提案(Japan Journal ofPage 4 492203 V. Description of the invention (2) The electromagnetic wave oscillation of the action. In addition, in a proposal by Hechtfischer et al. (Physical Review Letters Vo 1.79, 1 3 6 5- 1 3 68, 1 9 97), a magnetic field is applied in a direction perpendicular to the C-axis direction of a single crystal of a high-temperature superconductor, and it can be detected. An electromagnetic wave of about 10 GHz is generated, but in this proposal, not only the principle cannot be used to oscillate an electromagnetic wave with amplification, but also a strong magnetic field needs to be applied. In addition, in the proposal of Tonouchi et al. (Japan Journal of
Applied physics, Vol· 35, 2624-2632 , 1996)中,當以 飛(毫微微:1 0-15)秒脈波雷射照射在高溫超傳導薄膜時, 可以進行兆兆赫波帶之電磁波振盪,但是要利用其原理實 現同調之電磁波振盪會有困難。 在上述方式之習知之方法中,在原理上要利用超傳導谓 同調的進行具有放大作用之電磁波振盪會有困難。 J此盘本發明之第!目的是提案超傳導同調電磁波振t y ’與習知之原理不同的,不需要施加磁場就具有幻 作用,而且只利用使直流電流流動 同調之電磁波振盡。 4之間易方法就可以進4 同調電磁波振盪In Applied Physics, Vol. 35, 2624-2632, 1996), when a high-temperature superconducting film is irradiated with a fly (femto: 1 0-15) second pulse laser, it can oscillate in the megahertz band. However, it will be difficult to use its principle to achieve coherent electromagnetic wave oscillation. In the conventional method of the above-mentioned method, in principle, it is difficult to use a superconducting so-called homogeneity to perform an electromagnetic wave oscillation having an amplification effect. JThis is the first of this invention! The purpose is to propose that the superconducting coherent electromagnetic wave vibrating t y ′ is different from the known principle, it has a magic effect without the application of a magnetic field, and only uses the electromagnetic wave that makes the direct current flow coherent to vibrate. Easy method between 4 can enter 4 coherent electromagnetic wave oscillation
Φ 另外’本發明之第2目的是提供超 裝置之製造方法。 【發明之揭示】 用以建成第1目的^ π视 調電磁波振盪裝置,其特徵是具備右弟j f疋—種超傳 有隧道障壁層用來使具有層狀社二$、波振盪源其 口日日構造之超傳導體單 ^yzzuj 發明說明(3) 和注入電極進行隧道接合,在超傳導狀態使電流注入上述 之注入電極用來放射相位對齊之同調之電磁波。 另外’申請專利範圍第2項是一種超傳導同調電磁波振 盈裝置’其特徵是具備有:冷卻裝置,可以冷卻到超傳導 體單結晶之轉移溫度以下;電磁波振盪源,熱接觸的設在 該冷卻裝置;和共振器,用來對該電磁波振盪源之放射電 磁波進行放大;和該電磁波振盪源具有隧道障壁層用來使 具有層狀結晶構造之超傳導體單結晶和注入電極進行隧道 接合,使電流注入上述之注入電極用來放射相位對齊之同 調電磁波。 乃夕卜 w,甘甲請專利範圍第3項是超傳導同調電磁波振盪裝 體單結!:c上軸述之隧道接合之面形成垂直於上述之超傳導 置另:中:ί ΐ利範圍第4項是超傳導同調電磁波振盪穿 述》電流注入述之超傳導體單結晶之間瞻區域進行: 置,发由申句專利範圍第5項是超傳導同調電磁背把、. 晶驅動成:J用上述之電流注入用來將上述之超傳導二遭裝 另=成4非平衡狀態、。 、j辱導體單結 置’其中^ ί專利範圍第6項是超傳導同調電磁波择.碁 另外Τ上述之電流注入為直流。 反振盪骏 置,其中t請專利範圍第7項是超傳導同調電石兹、、虫把 另;卜中上述之超傳導體單結晶具有放大作用途。攻振逢裂 申請專利範圍第δ項是超傳導同調電磉 492203 五、發明說明(4) 置,其中以 率〇 另外,申 置,其中上 另夕卜,申 置,其中上 赫帶。 另外,申 置,其中上 另外,申 置,其中以 另夕卜,申 置,其中在 設有上述之 另夕卜,申 置,其中利 面積。 另外,申 置,其中上 晶之自然氧 依此方式 南溫超傳導 經由隧道障 為非平衡狀 注入電力控制上述之同調之電磁波之振盪頻 請專利範圍第9項是超傳導同調電磁波振盪裝 述之同調之電磁波是微波放射。 請專利範圍第1 0項是超傳導同調電磁波振盪裝 述之同調之電磁波之振盪頻率從微波帶至兆兆 請專利範圍第11項是超傳導同調電磁波振盪裝 述之超傳導體單結晶是氧化物高溫超導體。 請專利範圍第1 2項是超傳導同調電磁波振盪裝 上述之超傳導體單結晶本體作為共振器。 請專利範圍第1 3項是超傳導同調電磁波振盪裝 被設於上述之超傳導體單結晶之台面構造部, 隧道障壁層。 請專利範圍第1 4項是超傳導同調電磁波振盪裝 用上述之注入電極之面積用來限制電流之注入 請專利範圍第1 5項是超傳導同調電磁波振盪裝 述之隧道障壁層之材料是上述之超傳導體單結 化膜。 構成之本發明之超傳導同調電磁波振盪裝置在 單結晶和金屬電極之間形成隧道接合,從外部 壁層注入電流’用來將超傳導體早結晶驅動成 態,在超傳導體表面將所產生之電荷之振動變Φ In addition, a second object of the present invention is to provide a method for manufacturing a super device. [Disclosure of the invention] It is used to build the ^ π tuneable electromagnetic wave oscillation device for the first purpose, which is characterized by having a right brother jf 疋, a kind of super-transmission tunnel barrier layer, which has a layered wave source and a wave oscillation source. A superconductor structure of day-to-day structure ^ yzzuj Description of the invention (3) Tunnel bonding with the injection electrode, in a superconducting state, causes current to be injected into the above injection electrode to emit phase-aligned electromagnetic waves of the same phase. In addition, the second item in the scope of the patent application is a superconducting coherent electromagnetic wave vibrating device, which is characterized by: a cooling device that can cool below the transition temperature of the single crystal of the superconductor; an electromagnetic wave source, which is located in thermal contact, A cooling device; and a resonator for amplifying the radiated electromagnetic wave of the electromagnetic wave oscillating source; and the electromagnetic oscillating source has a tunnel barrier layer for tunnel bonding of a single crystal of a superconductor with a layered crystal structure and an injection electrode, A current is injected into the above-mentioned injection electrode to emit phase-aligned coherent electromagnetic waves. Nai Xibu, the third item in the scope of patent application by Gan Jia is a single knot of superconducting coherent electromagnetic wave oscillation device! : c The upper axis of the tunnel junction surface is formed perpendicular to the above-mentioned superconducting device. Another: Middle: ΐ The range of the 4th item is the superconducting coherent electromagnetic wave oscillation. The superconductor single crystal described by the current injection The area is carried out. The fifth item in the patent scope of the application is the superconducting coherent electromagnetic handle. The crystal is driven as follows: J uses the current injection described above to install the superconductor two into another unbalanced state. . The single-junction arrangement of the conductor is ‘where the sixth item of the patent scope is the selection of superconducting coherent electromagnetic waves. In addition, the above-mentioned current injection is a direct current. The anti-oscillation device, in which the seventh item of the patent scope is superconducting co-tuning tourmaline, worm, and the other; the above-mentioned single crystal of the superconductor in the above method has a magnification purpose. The fifth item in the scope of the patent application is superconducting coherent voltage 492203 V. Description of the invention (4), where the rate is 0. In addition, the application is on the other, and the application is on the upper band. In addition, the application, among which, the other, the application, among which is the other, the application, which has the above-mentioned other, the application, which benefits the area. In addition, apply, in which the natural oxygen of the upper crystal is conducted in this way by the South Temperature superconducting through the tunnel barrier to inject electricity into an unbalanced state to control the oscillation frequency of the above-mentioned homogeneous electromagnetic waves. The coherent electromagnetic wave is microwave radiation. The 10th item in the patent range is the oscillation frequency of the coherent electromagnetic wave described in the superconducting coherent electromagnetic wave oscillation from the microwave band to the trillion. The patent item 11 is the single crystal of the superconductor in the superconducting coherent electromagnetic wave oscillation device is oxidized High temperature superconductor. The 12th item in the scope of patent is a superconducting coherent electromagnetic wave oscillating device. The above-mentioned single crystal body of the superconductor is used as a resonator. Item No. 13 of the scope of patent is a superconducting coherent electromagnetic wave oscillating device, which is installed on the mesa structure part of the above-mentioned superconductor single crystal, and the tunnel barrier layer. The 14th item in the patent range is for the superconducting coherent electromagnetic wave oscillation. The area of the above-mentioned injection electrode is used to limit the injection of the current. The 15th item in the patent range is for the tunnel barrier material described in the superconducting coherent electromagnetic wave oscillation. Superconductor single junction film. The superconducting coherent electromagnetic wave oscillating device of the present invention forms a tunnel junction between a single crystal and a metal electrode, and an electric current is injected from the outer wall layer to drive the early crystal of the superconductor into a state, and the generated Change of charge
89111304.ptd 第7頁89111304.ptd Page 7
換成為電磁波,在it垢势+ 4 — A . 作A ji $哭$ > χ σσ内進仃放大,或是以單結晶本體 ';ϊϊ:放大…用來進行同調之電磁波振蘯。 經由注入電流,在超傳導體單結 子,使超傳導體從鼽平衡妝能礅赤Α^门π之丰粒 '、、、卞銜狀悲雙:成為非平衡狀態,以其高 月匕1狀悲激起電荷之振動狀熊。 利用超傳導體單結晶内部之電荷之振動,從該結晶將電 磁波放射到自由空間,可以在共振器内對其進行放大,或 是以結晶本身作為共振器對其進行放大。Instead, it becomes electromagnetic wave, and it scales up to + 4 — A. Make A ji $ wee $ > χ σσ to enlarge it, or use a single crystal body '; ϊϊ: Amplification ... Used for coherent electromagnetic wave vibration. By injecting a current, the superconductor is single-knotted, so that the superconductor is transformed from the balanced particles of the red A ^ gate π to the unbalanced, sad, and unbalanced state: it becomes an unbalanced state, with its high moon 1 Tragedy stirs up a vibrating bear of charge. Using the vibration of the charge inside the single crystal of the superconductor, the electromagnetic wave is radiated into the free space from the crystal, and it can be amplified in the resonator, or it can be amplified by the crystal itself as the resonator.
在超傳導體單結晶之具有電流-電壓特性為負電阻之間 隙電壓區域,利用約瑟夫交流效應和電荷之振動效應之結 合’可以獲得尖銳之同調之振盪;。 以超傳導體單結晶之超傳導性不會被破壞之範圍,進行 電流注入。振盡頻率隨超傳導體材料而異’從被波f至兆 兆赫帶。 依此方式,經由構建成組合有超傳導體電磁波振盪源和 共振器之超傳導同調電磁波振盪裝置,可以實現至目前尚 未有之超傳導體之雷射振盪裝置。 省 用以達成第2目的之申請專利範圍第1 6項是一種超傳導。 同調電磁波振盪裝置之製造方法,其特徵是所具備之工程 有:第1工程,有具有廣狀結晶構造之超傳導體單、纟σ θ曰之 表面,蒸著金屬電極,和形成隧道障壁層;第2工私’, 行退火;第3工程,涂难光抗餘劑,進行曝光和顯像,第4 工程,進行離子餘刻;和第5工程,形成電極。 士 另外,申請專利範園第17項是超傳導同調電磁波振盪裝In the superconductor single crystal, which has a current-voltage characteristic with a gap voltage between negative resistances, a combination of Joseph's AC effect and the vibration effect of charges can be used to obtain sharp homogeneous oscillations; Current injection is performed in a range in which the superconductivity of the superconductor single crystal is not destroyed. The exhaustion frequency varies depending on the material of the superconductor ', from the passive wave f to the megahertz band. In this way, by constructing a superconducting homogeneous electromagnetic wave oscillating device combining a superconducting body electromagnetic wave oscillation source and a resonator, a laser oscillating device of a superconducting body which has not yet existed can be realized. The 16th patent application scope used by the province to achieve the second objective is a type of superconductivity. The manufacturing method of a coherent electromagnetic wave oscillating device is characterized in that the project includes: the first process, a superconductor with a broad crystal structure, a surface of 纟 σ θ, a metal electrode being vaporized, and a tunnel barrier layer formed The second process is annealing, the third process is to apply a photoresist, and exposure and development are performed, the fourth process is to perform ion etching, and the fifth process is to form an electrode. In addition, the 17th item in the patent application range is a superconducting coherent electromagnetic wave oscillation device.
492203 五、發明說明(6) 置之製造方法,其中上述之隧道障壁層之材料是上述之超 傳導體單結晶表面之自然氧化膜。 另外,申請專利範圍第1 8項是超傳導同調電磁波振盪裝 置之製造方法,其中上述之進行離子蝕刻之第4工程是在 上述之超傳導體單結晶形成台面構造部。 依照此種構造時,可以製造利用準粒子注入用來進行微 波放射之超傳導同調電磁波振盪裝置。 【實施本發明之最佳形態】 下面將圖1〜圖1 2用來詳細的說明本發明之超傳導同調 電磁波振盪裝置及其製造方法之最佳實施例。另外,實質 上在相同或對應之構件使用相同之符號。 圖1是使用有作為冷凍劑之液體氦之情況時之本發明之 超傳導同調電磁波振盪裝置之裝置構造概略圖,圖2是使 用有冷凍機之情況時之本發明之超傳導同調電磁波振盪裝 置之裝置構造概略圖。 參照圖1,本發明之超傳導同調電磁波振盪裝置具備 有:冷卻裝置3,成為充滿液體氦1之冷卻裝置用來將超傳 導體冷卻到轉移溫度Tc以下;空腔共振器5,被設置在該 冷卻裝置3之中;導波管7,用來從該空腔共振器5之中取 出電磁波;和電磁波振盪源1 0,被固定在該空腔共振器5 内之保持板8 ;從定電流偏壓源(圖中未顯示)對該電磁波 振盪源1 0供給電流。 該電磁波振盪源1 0具有:超傳導體單結晶11,具有在結 晶軸之c軸方向積層超傳導層之層狀結晶構造;和隧道障492203 V. Description of the invention (6) The manufacturing method of the invention, wherein the material of the above-mentioned tunnel barrier layer is the natural oxide film on the surface of the above-mentioned single crystal of the superconductor. In addition, item 18 of the scope of application for a patent is a method for manufacturing a superconducting coherent electromagnetic wave oscillating device, in which the fourth process of performing the above-mentioned ion etching is to form a mesa structure portion in the above-mentioned single crystal of the superconductor. According to this structure, it is possible to manufacture a superconducting coherent electromagnetic wave oscillation device using quasiparticle injection for microwave emission. [Best Mode for Carrying Out the Invention] Figs. 1 to 12 are used to explain in detail the best embodiment of the superconducting co-modulation electromagnetic wave oscillation device and the manufacturing method of the invention. In addition, the same symbols are used for substantially the same or corresponding components. FIG. 1 is a schematic diagram of a device structure of the superconducting coherent electromagnetic wave oscillation device of the present invention when liquid helium is used as a refrigerant, and FIG. 2 is a superconducting coherent electromagnetic wave oscillation device of the present invention when a refrigerator is used. The schematic diagram of the device structure. Referring to FIG. 1, the superconducting coherent electromagnetic wave oscillating device of the present invention is provided with a cooling device 3 which becomes a cooling device filled with liquid helium 1 to cool the superconducting body below the transfer temperature Tc; a cavity resonator 5 is provided at Among the cooling device 3; a waveguide 7 for taking out electromagnetic waves from the cavity resonator 5; and an electromagnetic wave source 10, which is fixed to a holding plate 8 inside the cavity resonator 5; A current bias source (not shown) supplies current to the electromagnetic wave oscillation source 10. The electromagnetic wave oscillation source 10 has: a superconductor single crystal 11 having a layered crystal structure in which a superconducting layer is laminated in the c-axis direction of the crystal axis; and a tunnel barrier
11111 ‘ 111 89111304.ptd 第9頁 五、發明說明(7) ____ 壁層1 3 ’形成在該超傳導體單結晶j j上;利 經由隨道障壁層13將多量之電子注入到超傳。=: 11。另外’圖i中之乃和J2表示電流之供給, :: 之電極特別稱為注入電極。 入% k之側 該超傳導體單結晶i i因為是層狀結晶構造 有約瑟夫接合之構造。另外,該超傳導體 二亥 =經:=rr直流電流時, 生彳放波放射,而且具有放大作用。11111 ‘111 89111304.ptd page 9 V. Description of the invention (7) ____ The wall layer 1 3 ′ is formed on the superconductor single crystal j j; a large number of electrons are injected into the super-transmission via the barrier layer 13 along the channel. =: 11. In addition, "Ji" and "J2" in Fig. I indicate the supply of current, and the electrode of ":" is particularly called an injection electrode. The single crystal i i of the superconductor has a layered crystal structure and a Joseph junction structure. In addition, when the superconductor Er Hai = Jing: = rr DC current, the radiated radiation is emitted and it has an amplification effect.
Sr^ Cu0^ 5Sr ^ Cu0 ^ 5
Tc 為1101(之Bi/Sr J cy 二7^ 為「BSCC〇」)’轉移溫度 YBa h η / 2 C 2 C 3 〇y,或轉移溫度Tc為80〜90](之Tc is 1101 (where Bi / Sr J cy 2 7 ^ is "BSCC〇") 'transition temperature YBa h η / 2 C 2 C 3 〇y, or transition temperature Tc is 80 ~ 90] (of
Cu3 〇7_y(以下稱為 Γγβ 物901(之 體,但是並不只限於該等,只要7m物兩溫超傳導 均可用在本發明。 要疋、、,口日日性優良之超傳導體 YBCO中之γ亦可以以其他之過 Cu3 〇7-y,NdBa2 Cuq 0 _ 箄。少古' 素日換,例如,ErBa2 以使用液體氮用來代轉移、、田;:2導體之情況時,可 凍劑之液體氦。另外,附加;:χ二氮溫度高之作為冷 作為電極材料者使用金、ϋ二 :成。電子注入側之電極” 式,利用電流注入之電磁货括湯+ j電咖之,主入面積之方 流密度為1〇2〜ΙΟ3 Λ/cm2程产X時,立f,因為在接合之電 體單結晶之大小在丨cm方形‘产产、,f變大所以超傳導 腿2之程度以下。 又U况陪,電極之面積為1 89111304.ptd 第10頁 492203Cu3 〇7_y (hereinafter referred to as Γγβ substance 901 (body, but is not limited to these, as long as 7m two-temperature superconductivity can be used in the present invention.) YBCO, a superconductor with excellent daily characteristics The γ can also be replaced by other Cu3 〇7-y, NdBa2 Cuq 0 _ 箄. Shaogu 'prime day exchange, for example, ErBa2 uses liquid nitrogen to replace transfer, and field ;: In the case of 2 conductors, The liquid helium of the refrigerant. In addition, the high temperature of χ dinitrogen is used as the electrode material for cold, and gold is used as the electrode material. The electrode of the electron injection side is used. In other words, when the square flow density of the main input area is 10-2 ~ 103 Λ / cm2, when the X is produced, the f is set, because the size of the single crystal of the joined electrical body is produced in a square cm, and f becomes larger The degree of superconducting leg is less than 2. In addition, the area of the electrode is 1 89111304.ptd Page 10 492203
五、發明說明(8) 隧道障壁層用來使超傳導體單結晶和金屬電極進一酋 接合,利用隧道效應注入電子。該隧道障壁層 ^ ^ 體單結晶本體之自然氧化膜部即可,厚度為丨nm〜3 3。V 度。因為該隧道障壁層是高温超傳導體之氧化物,:程 以只蒸著金屬電極,形成在表面。 以。 ,外,作為隧道障壁層者亦可以利用蒸著心〇,γ 之氧化物薄膜等之成長方法,形成1 nm〜3nm程度之極3薄: 作為空腔共振裔5者安裝電磁波振盪源之共振條件不鐵 者’其大小隨著共振頻率而異,另外該共振頻率p ^ 用之超傳導材料而有报大之不同。 汀 共振頻率例如在BSCC0為100GHz,在YBC0為1〜2THz之程 度’空腔共振器之大小在丨〇 〇GHz程度之情況時可以為數⑽ 以下’但是在兆兆赫程度之超高頻時需要更小。… 下面將說明在冷卻裝置使用有冷凍機之超傳導同調電磁 波振盪裝置。 如圖2所示,使用有冷凍機之超傳導同調電磁波振盪裝 置具備有:室2 1,可以排氣成為真空;冷凍機之冷凍頭 23,被設在該室内;保持板25,被設在該冷凍頭,具有良 好之熱接觸;電磁波振盪源1〇,被固定在該保持板25 ;和 該電磁波振蘯源10空腔共振器27 ;在室21之面對取出孔28 之位置設有光學窗2 9,用來從該空腔共振器2 7中取出電磁 波。電磁波振盪源1 〇之構造與圖1所示者相同。 下面將說明以電磁波振盪源本體作為共振器之實施形V. Explanation of the invention (8) The tunnel barrier layer is used to join the single crystal of the superconductor with the metal electrode, and use the tunnel effect to inject electrons. The tunnel barrier layer ^ ^ can be a natural oxidized film portion of the bulk single crystal body, and the thickness is 丨 nm ~ 33. V degrees. Because the tunnel barrier layer is an oxide of a high-temperature superconductor, only the metal electrode is vaporized and formed on the surface. To. In addition, those who act as tunnel barriers can also use the growth method of steaming the heart ’s oxide film, such as γ, to form a thin film with a thickness of about 1 nm to 3 nm. As a cavity resonance source, install the resonance of an electromagnetic wave source. The condition of the iron is different depending on the resonance frequency. In addition, the resonance frequency p ^ is greatly different from the superconducting material used. The resonance frequency is, for example, 100 GHz at BSCC0 and 1 to 2 THz at YBC0. When the size of the cavity resonator is at about 1 GHz, it can be several digits or less. small. … The use of a superconducting coherent electromagnetic wave oscillating device with a refrigerator in the cooling device will be explained below. As shown in FIG. 2, a superconducting coherent electromagnetic wave oscillation device using a refrigerator is provided with: a chamber 21 that can be exhausted into a vacuum; a freezing head 23 of the refrigerator is provided in the room; a holding plate 25 is provided in The freezing head has good thermal contact; the electromagnetic wave oscillation source 10 is fixed to the holding plate 25; and the electromagnetic wave oscillation source 10 is a cavity resonator 27; a position is provided at the position of the chamber 21 facing the extraction hole 28 An optical window 29 is used to extract electromagnetic waves from the cavity resonator 27. The structure of the electromagnetic wave oscillation source 10 is the same as that shown in FIG. 1. In the following, an embodiment in which the body of the electromagnetic wave oscillation source is used as a resonator will be described.
圖3是本發明之電磁波振盪源之剖面圖。 如圖3所示,電磁波振盪源3 〇具備有:超傳導體單結晶 =丄具有台面構造部31 ;反射膜32,32,被設在該超傳導 月豆單、、、口日日3 3之兩個端面;孔3 4,被設在該反射膜之一方, 用來取出電磁波;隧道障壁層35,形成在台面構造31上; ^電極3 7,38 ;從形成在台面構造31上之電極37經由隧道 =壁層35將電流注入到超傳導體單結晶33。電極37,38被 °又在超傳導體單結晶3 3之相同側,但是電極3 8亦可以設在 起傳$ 單結晶之背面侧。另外,圖3所示之電極3 8最好 形成在對稱之位置。 超傳導體單結晶33與圖1所示者相同,但是台面構造部 之形成’和成為共振器之指定之大小亦可以與圖1所示者 不同。 超傳導體單結晶3 3具有圖3所示之層狀結晶構造,成為 多個約瑟夫接合在結晶之c軸方向串聯連接之構造,利用 電流之注入所放射之電磁波成為平行接合面之方向。 反射膜32,32只要能夠反射電波即可,例如可以經由蒸 著Ag ’Au ’Cu等之金屬膜而形成。 超傳導體單結晶3 3之台面構造部3 1之設置用來限制電流 之注入面積,藉以使電極易於形成。考慮到電流注入所產 生之電磁波振盪之程度,用來決定注入面積,藉以形成適 當大小之台面構造。 另外,超傳導體單結晶33之大小L以超傳導材料決定,Fig. 3 is a sectional view of an electromagnetic wave oscillation source according to the present invention. As shown in FIG. 3, the electromagnetic wave oscillation source 30 is provided with: a superconductor single crystal = having a mesa structure portion 31; and reflection films 32 and 32 provided in the superconducting moon bean list, the day-to-day date, and the day-to-day date. Two end faces; holes 34 are provided on one side of the reflecting film for taking out electromagnetic waves; a tunnel barrier layer 35 is formed on the mesa structure 31; electrodes 3 7, 38; and electrodes formed on the mesa structure 31 37 Injects an electric current to the superconductor single crystal 33 via the tunnel = wall layer 35. The electrodes 37 and 38 are on the same side of the superconductor single crystal 3 3, but the electrodes 38 can also be provided on the back side of the single crystal. The electrodes 38 shown in Fig. 3 are preferably formed at symmetrical positions. The superconductor single crystal 33 is the same as that shown in FIG. 1, but the formation of the mesa structure portion and the size designated as a resonator may be different from those shown in FIG. The superconductor single crystal 3 3 has a layered crystalline structure as shown in FIG. 3, and has a structure in which a plurality of Josephs are connected in series in the c-axis direction of the crystal, and electromagnetic waves radiated by the injection of current become parallel to the joint surface. The reflective films 32 and 32 only need to be capable of reflecting radio waves, and can be formed, for example, by vapor-depositing a metal film such as Ag'Au'Cu. The mesa structure portion 31 of the superconductor single crystal 3 3 is provided to limit the injection area of the current so that the electrode can be easily formed. Considering the degree of electromagnetic wave oscillation caused by current injection, it is used to determine the injection area to form a mesa structure of appropriate size. In addition, the size L of the superconductor single crystal 33 is determined by the superconducting material.
第12頁 五 發明說明(10) 根據共振頻率設計。例如, 傳導體單結晶之大小 隹振盪頻率為兆兆赫程度,超 麵2程度以下。 ' cm私度之情況時,注入面積為1 圖4是在使用有冷 作為共振器之本發明之和彳自'况,以超傳導體單結晶本體 構造之概略圖。另外,盘罔導同調電磁波振盪裝置之裝置 相同之符號。另外 人回2和圖3所示之構件相同者附加 以超傳導體單結i丄二^、示電流之供給。 固定在保持板25,= H ^ ,共振器之電磁波振盈源30被 等,亦可以利用板狀彈‘等:::使用接著劑或潤滑油 下面將今明太& " 匕失固定之機械方法。 用。 寻¥门调電磁波振盪裝置之作 電磁,振盈源之超傳導體單結晶 Tc \用來維持超傳導狀態。 丨车』低万、轉私皿度 偏=圖4 ’首先,利用圖中未顯示之外部電路之定電流 隨、曾^辟使指定之直流電流流到電極37 ’㈣電極37經由 隧迢P早壁層35,使電流從台面構造、、、甶 晶33。 /主入到超傳導體單結 利用故由随道障壁層3 5之隧道障壁注 J =結晶中,激起過剩之料…超傳導體從熱平= ^支^為非平衡狀態,以其咼能量狀態用來激起電荷之 動狀態,進行雷射振盪。 。 χ 該振盪是根據約瑟夫交流效應和電荷之振動效庫 合,成為尖銳同調之振盪。 …Page 12 5 Description of the invention (10) Design according to resonance frequency. For example, the size of the single crystal of the conductor 隹 oscillates at a frequency of about megahertz, which is less than about 2 degrees. In the case of "cm privacy", the injection area is 1. Fig. 4 is a schematic diagram of the structure of a single crystal body of a superconductor using the cold sum as a resonator of the present invention. In addition, the coil guide has the same symbol as the device of the electromagnetic wave oscillator. In addition, the same components shown in Figure 2 and Figure 3 are added with a superconductor single junction, i.e., a current supply. Fixed on the holding plate 25, = H ^, the electromagnetic wave vibration source 30 of the resonator, etc., can also use a plate-like bullet ', etc. :: Use adhesive or lubricant to fix Jin Mingtai & " Mechanical method. use. The function of the gate-tuning electromagnetic wave oscillation device. The superconductor single crystal Tc of the electromagnetic and vibration source is used to maintain the superconducting state.丨 Vehicles ”low, the degree of private equity = Figure 4 'First, the constant current of external circuits not shown in the figure is used to make the specified DC current flow to the electrode 37' The electrode 37 passes through the tunnel P The early wall layer 35 allows the electric current to be structured from the mesa, and the crystal 33. / The main junction is used for the single junction of the superconductor. Therefore, the tunnel barrier of the barrier layer 35 is used to inject J = in the crystal, and the excess material is stirred up. The chirped energy state is used to excite the dynamic state of charge and perform laser oscillation. . χ This oscillation is a sharp homogeneous oscillation based on the combination of the vibrational effect of Joseph's AC effect and charge. ...
492203 五、發明說明(11) 利用該超傳導體内部 33放射電磁波。在圖之=單結晶 裝置中是利用空腔共振二::之同調電磁波振遷 單結晶本體作為共振器^進^放振大盈裝置中是以超傳導體 放大後之電磁波從朵與〇 n ^ ., 九子1^29取出。在圖1所示之超傳1492203 V. Description of the invention (11) Use the inside 33 of the superconductor to radiate electromagnetic waves. In the figure = single crystal device, the cavity resonance is used. 2 :: The coherent electromagnetic wave vibrates the single crystal body as a resonator. ^., Nine son 1 ^ 29 removed. Super pass 1 shown in Figure 1
同調電磁波振1裝置中,以導波管取出。#丁 &傳V 在不會破壞超傳導辦| .. #、、易^ 、、’口日日之超傳導性之範圍進行電产In the coherent electromagnetic wave vibration 1 device, the waveguide is taken out. # 丁 & 传 V Electricity is produced in a range that will not destroy the superconductivity office | .. # ,、 易 ^ 、、 ’original superconductivity
注入。振盪頻率隨超傳導麯鉍 ^ /;,L 兆赫帶。 料-材枓而異,可以從微波帶至叱 圖5表不本發明之超傳導體單結 s c , ^ ^ ^ ^ 流-電壓特性圖。 < I月几才之電 特電f?MSCC〇之C#方向流動時之電流 約狂夫才U疋ΐ可“成為使與結晶之厚|對應之多個 2 = 口依照結晶之c軸方向串聯連接成為多分支型 電流-電壓特性。 7 / 77 \ 2之 ί例6GHZ之收訊頻率所檢測到之微波振盈輸出之剩 =電:需要在負電阻區域流·,在該負電阻 麼,在本發明中於u:二域出現之電壓是間隙電 ^ μ 月中於6亥間隙電壓區域進行電流注入。另外 起傳V體可以實現能量比常傳 γ B另外, 體之電子位準之能量差之門:狀恶,但是超傳導 b里產之間⑭,直接出現在超傳導接面之 89111304.ptd 492203 五、發明說明(12) 電:壓特性’該出現電壓稱為 圖7表示利用注入電力之大小 傳導同調電磁波振盛裝置之約瑟7夫乂/將來/空制本發明之超 BSCC0之情況時,利用電流控制電/振盈之頻率。在 100GHz程度之頻率變化至接近〇GHz。不文注^影響之_ 利用其電力之振盪頻率。 ’收sfl頻率等於 在此種方式之本發明之超傳導 可以以注入電力控制振盪頻率。 波振盪I置中, 下面將參照圖8〜圖1 2用央筇0B + a 磁波振盈裝置之製造方法之U)〜(。)^明_之超制傳導同調電 首先參照圖8,(a)將超傳導_ 曰=^衣造步驟。 表面露出,⑻利用真空蒸著法^著;;50劈開,使清淨之 金屬膜。這時超傳導體為氧 全"之如同Au之 1〜3nm之隧道障壁層53。Α …者至屬電極用來形成 府气β十/ Γ 其根據是該金屬從超傳導俨中耷 取乳,用來形成薄金屬氧化膜 脰中奪 單結晶本體之自然氧化膜之情況日】,卜在=巧傳” 方法形成氧化物薄膜後,再形成金屬電極,者寺之成長 其次,(c)在大氣中以】小時,6〇〇它之條豐“匕 屬膜之超傳導體單結晶進^者兩孟 定在保持板54。 後(d)利用接著劑等固 然後翏照圖9,(e)將光抗蝕劑56 =用以規定接合部之光罩進行曝光和者:, 接合面積為0.01咖2〜之程度。 衣作。這時之 然後’⑴利用顯像除去光抗敍劑,(g)利用離子兹刻技 89111304,ptd 第〗5頁 五、發明說明(13) 術以例如250V之加速電壓進行蝕刻加工,(h)形成台面構 造部58。該台面構造部58依照蝕刻條件決定。 其=參照圖10,(i)以室溫真空蒸著^^膜62至1〇〇龍程 =之厚度,(j )在超音波丙_環境中進行分離,用來除去 抗蚀劑5 6。 m⑴為著獲得電極引線’蒸著金屬膜64,例如在 匕著Ag ’使用電極形狀形成用之光罩進行曝光, :四:ir二/顯像’用來在圖1 1所示之超傳導體單結晶5 〇 〇0 洛〇台面構造部5 8形成電極引線。在以超傳導體 皁結晶本體作為共振哭之情 士 兩個側面真空基著;;二V兄:^以追加在該單結晶之 '、、、者厗度10〇"Π1程度之金屬膜之處理。 用…中是蒸著—是亦可以使 再ί: 面(』)布進二:像去,合部之光抗钱劑56,⑷ 土唧九抗餘劑7 2和進行曝光。 f次,(η)為著除去接合部之光抗蝕劑 曝光和顯像。最後Α著# 更用先罩進灯 著金屬膜74。 仏仔電極引線,在全面真空蒸 再度的在全面塗布光抗蝕劑, 罩,進行曝光,圖型製作和顯I。 开“大形成用之光 依照圖1,圖2或圖4所示之方式,安裝依 電磁波振蘯源,用夹办忐扣 方式衣成之 造。 用末兀成超傳導同調電磁波振盈裝置之製 另外,本發明是指實施例所說明者,但是在不脫離本發 89111304.ptd 第〗6頁 492203 五、發明說明(14) 明之主旨和範圍内,可以進行實施例之各種變更,省略, 或追加。 因此,本發明不並只限於本專利說明書所記載之實施 例,而是包含有申請專利範圍所記載之規定範圍和其同等 範圍。 【產業上之利用可能性】 如上所述,本發明之超傳導同調電磁波振盪裝置不需要 施加磁場就具有放大作用,而且只利用使直流電流流動之 簡易方法就可以進行同調之電磁波振盪,所以作為超傳導 同調電磁波振盪裝置極為有用。 另外,依照本發明之超傳導同調電磁波振盪裝置之製造 方法時,可以製造利用準粒子注入用來放射微波之超傳導 同調電磁波振盪裝置。 【元件編號之說明】 1 液 體 氦 3 冷 卻 裝 置 5、 27 空 腔 共 振 器 7 導 波 管 8、 25 保 持 板 10 ^ 30 電 磁 波 振 盪 源 11 > 33 超 傳 導 體 結 晶 13 >35 隧 道 障 壁 層 15 、17 、37、 38 電 極 21 室injection. The oscillation frequency varies with superconducting curved bismuth ^ / ;, L MHz. The material-to-material ratio varies, and it can be from the microwave band to 叱 Figure 5 shows the current-voltage characteristics of the single junction s c, ^ ^ ^ ^ of the superconductor of the present invention. < How many months does the electric special electric f? MSCC〇 flow in the C # direction, the current is about 10,000 U. "can be made to correspond to the thickness of the crystal | multiple 2 = mouth in series according to the c-axis direction of the crystal The connection becomes a multi-branched current-voltage characteristic. 7/77 \ 2 of Example 6 The remaining microwave output detected at the receiving frequency of 6GHZ = electricity: It is necessary to flow in the negative resistance region. · In this negative resistance, In the present invention, the voltage appearing in the u: two domains is the gap current ^ μ. Current injection is performed in the gap voltage region of 6 Hz in the middle of the month. In addition, the transmission of the V body can achieve energy than the normal transmission γ B. In addition, the body's electron level The gate of energy difference: evil, but the superconducting b is produced directly in the superconducting junction 89111304.ptd 492203 V. Description of the invention (12) Electricity: voltage characteristics' The appearance voltage is called as shown in Figure 7 When the magnitude of the injected electric power is used to conduct the coherent electromagnetic wave vibrating device Joseph 7 / Fu / Fu / Air, in the case of the super BSCC0 of the present invention, the frequency of the electric / vibration surplus is controlled by the current. The frequency at the level of 100 GHz changes to approximately GHz. Unmarked Note ^ Affected_ Oscillation frequency using its power The 'receiving sfl frequency is equal to the superconductivity of the present invention in this way. The oscillation frequency can be controlled by injecting electric power. The wave oscillation I is set to the center. The following will refer to FIGS. 8 ~ 12. Manufacturing method U) ~ (.) ^ Ming _ of the superconducting conductive homogeneous electricity First refer to Figure 8, (a) the superconducting _ said = ^ clothing manufacturing steps. The surface is exposed, ⑻ using vacuum evaporation method ^ with; 50 cleavage to make the metal film clean. At this time, the superconductor is oxygen-complete " like Au's tunnel barrier layer 53 of 1 ~ 3nm. A ... The primary electrode is used to form the gas β / 10 / Γ. The basis is that The metal extracts milk from superconducting ions, and is used to form a thin metal oxide film, which captures the natural oxide film of the single crystal body.] After the oxide film is formed by the method of Qiao Chuan, a metal electrode is formed. The growth of Zhe Temple was followed by (c) in the atmosphere for 1 hour, 600 hours of its single crystal of the superconductor of the genus Membrane, and the two crystals were held on the holding plate 54. After (d) the use of The solvent is then solidified, and then according to FIG. 9, (e) Photoresist 56 = is used to specify the mask of the joint. Light and those: The joint area is about 0.01 to 2 ~. Clothing. At this time, then '⑴ use imaging to remove photoantiseptics, (g) use ion cutting technology 89111304, ptd page 5 5. Invention Explanation (13) The etching process is performed at an acceleration voltage of, for example, 250 V, and (h) a mesa structure portion 58 is formed. The mesa structure portion 58 is determined according to the etching conditions. It is referred to FIG. 10, (i) is vacuum-evaporated at room temperature ^ ^ The thickness of the film 62 to 100 Long Cheng =, (j) is separated in an ultrasonic environment to remove the resist 56. m⑴ is used to obtain the electrode lead 'evaporate the metal film 64, for example, to expose the electrode shape using a photomask for electrode shape formation at Ag:' 4: ir 2 / imaging 'is used for superconductivity shown in FIG. 11 The bulk single crystal 50000 mesa structure portion 58 forms an electrode lead. On the two sides of the vacuum crying with the superconductor soap crystal body as the resonance crying; two V brothers: ^ with the metal film of the degree of "1," and "1" added to the single crystal Its processing. The use is steaming-it can also be used again: noodles (") can be put into two: like to go, the light anti-money agent 56 of the joint, ⑷ 唧 nine anti-residue agent 7 2 and exposure. f times, (η) is exposure and development by removing the photoresist of the joint. Finally Α 着 # Even more, the metal film 74 is covered by the lamp. Taipa electrode leads were fully vacuum-steamed, and photoresist and mask were applied to the whole surface again for exposure, pattern production, and display. Turn on the light for large formation according to the method shown in Figure 1, Figure 2 or Figure 4. Install it according to the electromagnetic wave vibration source, and use the clip-on snap-fit method to make it. In addition, the present invention refers to those described in the examples, but without departing from the present invention 8911304.ptd page 6 492203 V. Description of the invention (14) Within the spirit and scope of the description, various changes to the embodiments can be made and omitted Therefore, the present invention is not limited to the embodiments described in this patent specification, but includes the specified scope and equivalent scope described in the patent application scope. [Industrial application possibilities] As mentioned above, The superconducting coherent electromagnetic wave oscillating device of the present invention has an amplification effect without applying a magnetic field, and can perform coherent electromagnetic wave oscillation only by a simple method of flowing a direct current, so it is extremely useful as a superconducting coherent electromagnetic wave oscillating device. In the manufacturing method of the superconducting coherent electromagnetic wave oscillating device of the present invention, quasiparticle implantation can be used for radiation The superconducting coherent electromagnetic wave oscillation device of the wave. [Explanation of the component number] 1 Liquid helium 3 Cooling device 5, 27 Cavity resonator 7 Waveguide tube 8, 25 Holding plate 10 ^ 30 Electromagnetic wave oscillation source 11 > 33 Superconductor Crystal 13 > 35 Tunnel barrier layer 15, 17, 37, 38 electrode 21 room
89111304.ptd 第17頁 49220389111304.ptd Page 17 492203
89111304.ptd 第18頁 492203 圖式簡單說明 附i由:面之詳細說明和利用用以表示本發明之實施例之 無意用加瞭解本5明°另外,附圖所示之實施例並 用。指定本發明之範圍,而是只作說明和易於瞭解之 在附圖中, 超暮是η使用有作為冷康劑之液體氦之情況時之本發明之 同_電磁波振盪裝置之裝置構造概略圖。 磁i#是募使用有冷床機之情況時之本發明之超傳導同調電 /皮振遭裝置之裝置構造概略圖。 圖3是本發明之電磁波振盪源之剖面圖。 值=是&以超傳導體單結晶本體作為共振器之本發明之超 同/周電磁波振盪裝置之裝置構造概略圖。 回^是本發明之超傳導體單結晶為]8§(:(:〇之情況時之電 一 ^壓特性圖。 雷+表示本發明之利用電流注入在負電阻區域振盪出之 電磁波之輸出之測定例。 圖7表不本發明之電流—電壓特性圖和收訊頻率與注入 力之關係。 所不之(a)〜Η)是工程圖,用來順序的表示本發明 ,傳導同調電磁波振盪裝置之製造方法。 所不之(e)〜Q)是工程圖,用來順序的表示本發明 之超傳導同調電磁波振盪裝置之製造方法。 =10所不之(i)〜(k)是工程圖,用來順序的表示本發明 σ傳導同調電磁波振盪裝置之製造方法。89111304.ptd Page 18 492203 Brief description of the drawings Attachment: Detailed description and use of the embodiment of the present invention to indicate the unintentional use of the present invention. In addition, the embodiments shown in the drawings are used in combination. The scope of the present invention is specified, but it is only for explanation and easy to understand. In the drawings, the super twilight is the same as that of the present invention when helium liquid helium is used. . Magnetic i # is a schematic diagram of a device structure of the superconducting coherent electric / skin vibration device of the present invention when a cold bed machine is used. Fig. 3 is a sectional view of an electromagnetic wave oscillation source according to the present invention. Value = Yes & A schematic diagram of a device structure of a super homo / periodic electromagnetic wave oscillating device of the present invention using a single crystal body of a superconductor as a resonator. The result of the single crystal of the superconductor of the present invention is [8§ (: (:: case of electric voltage in the case of 0]. Lei + represents the output of the electromagnetic wave oscillated in the negative resistance region by the current injection in the present invention.) An example of measurement. Figure 7 shows the current-voltage characteristic diagram and the relationship between the receiving frequency and the injection force of the present invention. All (a) ~ Η) are engineering diagrams used to sequentially show the present invention and conduct coherent electromagnetic waves The manufacturing method of the oscillating device. All (e) ~ Q) are engineering drawings for sequentially showing the manufacturing method of the superconductive coherent electromagnetic wave oscillating device of the present invention. = 10 Whatever (i) ~ (k) are engineering drawings, which are used to sequentially show the manufacturing method of the σ-conducting coherent electromagnetic wave oscillation device of the present invention.
\\326\2d-\89-09\89111304.ntH 第19頁 492203 圖式簡單說明 圖11是本發明之電磁波振盪源之上面圖。 圖1 2所示之(1)〜(0)是工程圖,用來順序的表示本發明 之超傳導同調電磁波振盪裝置之製造方法。\\ 326 \ 2d- \ 89-09 \ 89111304.ntH Page 19 492203 Brief description of the diagram Fig. 11 is a top view of the electromagnetic wave oscillation source of the present invention. (1) to (0) shown in FIG. 12 are engineering drawings for sequentially showing the manufacturing method of the superconducting coherent electromagnetic wave oscillation device of the present invention.
89111304.ptd 第20頁89111304.ptd Page 20
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JP5229859B2 (en) * | 2007-08-06 | 2013-07-03 | 国立大学法人 筑波大学 | Terahertz band electromagnetic wave oscillation device and manufacturing method thereof |
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JPS63302581A (en) * | 1987-06-03 | 1988-12-09 | Hitachi Ltd | Light emitting element |
JPH02203575A (en) * | 1989-02-01 | 1990-08-13 | Japan Aviation Electron Ind Ltd | Variable wavelength type coherent light generating apparatus |
EP0413333A3 (en) * | 1989-08-18 | 1991-07-24 | Hitachi, Ltd. | A superconductized semiconductor device |
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