surface breakdown 中文意思是什麼
surface breakdown
解釋
表面嘩-
During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss
在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究，該結構採用分段變摻雜多區p ~ -降場層，有效降低器件的表面電場，縮短器件的漂移區長度，增大p ~ -降場層注入劑量的選擇范圍，並有效地抑制界面電荷qss對器件耐壓的不利影響。 -
In the design of the device, a kind of junction termination technology, polysilicon field plate was introduced at the edge of source and drain of the device. it reduced the electric field of pn junction and nn + at the surface to avoid breakdown at the two points
在器件設計過程中，在源端和漏端都採用了多晶場板技術，減小了表面pn結和nn +處的峰值電場，避免了器件在這兩處過早擊穿。 -
In this paper, the theory of negatively charged surface states is used to investigate dynamic breakdown characteristics and the increase of gate - drain breakdown voltage as well as the reduction of saturated drain - source current after sulfur passivation. the measure which can improve the stability of sulfur passivation is proposed
本論文通過對gaasmesfet擊穿機理和硫鈍化機理的研究，用負電荷表面態理論，解釋了gaasmesfet動態擊穿特性及硫鈍化后柵漏擊穿電壓增大、源漏飽和電流減小的機理，提出了改善硫鈍化穩定性的措施。 -
Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states
利用聚焦的強激光束入射固體靶表面產生激光等離子體，對等離子體中原子和離子發射譜進行雜質元素分析，這一過程叫做激光誘導擊穿譜（ laser - inducedbreakdownspectroscopy ） ，簡稱（ libs ） 。 -
The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated
分析表明，反向預閃絡現象與材料的陷阱分佈有關，試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因；預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。 -
The influence of sinx deposited by pecvd in different condition, especially changing deposition temperature, on the gaas surface after sulfur passivation is measured by sims analysis combined with the test for direct current breakdown characteristics
用sims分析結合器件直流特性測試，比較了在不同條件下淀積的氮化硅對gaas硫鈍化表面的作用，特別是淀積溫度分別為80 、 80 / 230 、 230時對硫鈍化效果的影響。 -
When the electric field arising from the piling up of charges reaches a certain breakdown value, lightning discharges take place between clouds or between cloud and the earth s surface
當電荷累積而形成的電壓過大時，雲與雲之間或雲與地之間就會出現閃電放電現象，放電通道周圍的空氣會急劇膨脹而產生隆隆雷聲。 -
When the electric field arising from the piling up of charges reaches a certain breakdown value, lightning discharges take place between clouds or between cloud and the earths surface. the explosive expansion of the surrounding air produces the rolling sound of thunder
當電荷累積而形成的電壓過大時，雲與雲之間或雲與地之間就會出現閃電放電現象，放電通道周圍的空氣會急劇膨脹而產生隆隆雷聲。 -
When the electric field arising from the piling up of charges reaches a certain breakdown value, lightning discharges take place between clouds or between cloud and the earth s surface. the explosive expansion of the surrounding air produces the rolling sound of thunder
當電荷累積而形成的電壓過大時，雲與雲之間或雲與地之間就會出現閃電放電現象，放電通道周圍的空氣會急劇膨脹而產生隆隆雷聲。 -
A breakdown model of dielectrics, which exists some blemish inside or on the surface, such as hole, impurity and heave at which breakdown probability is larger than that at other points, was established
建立了含有缺陷點的絕緣介質擊穿模型，指出電纜絕緣層內部及表面存在空洞、夾雜物和隆凸不平是缺陷產生的內在因素，缺陷點處的擊穿概率較大。 -
The insulation characteristic of insulator in vacuum is researched in the process of the high voltage breakdown along the insulator surface in vacuum, which is called vacuum surface flashover
絕緣子的真空表面絕緣特性研究真空下的高壓沿絕緣子表面擊穿物理過程，稱真空表面閃絡過程。 -
A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。 -
Recommanded test methods for determining the relative resistance of insulating materials to breakdown by surface discharges
用表面放電法測定絕緣材料相對的耐擊穿性推薦試驗方法 -
The result of the test for dynamic breakdown characteristics reveal that breakdown voltage increases as the lengths of the pulses applied to the gate and drain electrodes increase. this could be mainly due to the influence of surface states
Gaasmesfet動態擊穿特性測試結果表明， gaasmesfet的擊穿電壓隨柵極與漏極上所加脈沖電壓寬度的增大而增大，這主要是因為表面態的原因。 -
Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges
測定絕緣材料的表面放電擊穿相應電阻的推薦試驗法 -
Namely, the electric field at the drain - side edge of the gate decreases with the increasing of negative charge density in the surface, so the breakdown voltage of gaas mesfet ' s will increase
表面受主態的增多使表面負電荷密度增大，表面聚集的負電荷可以分散漏側柵邊緣處的電力線密度，減弱了柵靠漏一側的電場強度，擊穿電壓提高。 -
As the surface deteriorates, water in any form, dew, humidity, rain, wash and rinse water, as well as other microscopic destructive elements such as acids and alkali substances, enter into the microscopic pores, fissures, cracks and other surface imperfections and begin to attack, or breakdown the molecules that make up your car ' s paint
隨著漆面的惡化，水、露水、濕氣、下雨、清洗和漂洗的水，還有其它看不見的具有破壞性的物質如酸雨、堿性物質，都會浸入到小孔、裂縫、裂紋和其它表面不完整的地方也開始變化或者分解車漆的分子。
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