共查询到19条相似文献,搜索用时 46 毫秒
1.
利用RELACS辅助技术制作"T"型栅 总被引:1,自引:1,他引:0
利用RELACS化学收缩辅助技术制作了i线三层胶结构的"T"型栅。首先利用水溶性的化学收缩试剂RELACS,涂在曝光完成的光刻图形上,然后借由混合烘焙让光刻胶中的光酸分子因受热而产生扩散运动并进入到RELACS试剂内,催化RELACS试剂,让RELACS试剂中的高分子与交链分子产生交链反应,使得光刻胶表面形成新的一层不溶于水的交链层而达到光刻图形收缩的目的。此方法增加了细栅光刻的宽容度,降低了细栅光刻制作的难度,极易将0.5μm的栅条收缩到0.3μm,甚至更小,不但有效地减小了栅长,而且提高了细栅光刻的成品率。RELACS技术可以应用于不同光刻胶类型的"T"型栅制作中。 相似文献
2.
3.
4.
5.
6.
研制出的PHEMT采用一种新的0.1μmT型栅制备方法。将薄膜的纵向可控变为横向可控,应用这一原理,对时间等参量进行控制,获得了0.1~0.3μm微细金属栅条,此工艺应用于3mmPHEMT器件研制,器件的直流跨导大于400mS/mm,微波性能在40GHz时,Gamax达5.67dB,特征频率fT可外推至74GHz,最高振荡频率fmax可达130GHz。 相似文献
7.
8.
研制出的PHEMT采用一种新的0.1μmT型栅制备方法,将薄膜纵向可控变为横向可控,应用这一原理,对时间等参量进行控制,获得0.1~0.3μm微细金属栅条,此工艺应用于3mm器件研制,器件的直流跨导大于400mS/mm,微波性能在40GHz时,Gmax达5.67dB。特征频率fT可外推至74GHz,最高振荡频率fmax可达130GHz。 相似文献
9.
一种新的高成品率InP基T型纳米栅制作方法 总被引:1,自引:4,他引:1
提出了一种新的 PMMA/ PMGI/ PMMA三层胶复合结构 ,通过一次对准和电子束曝光、多次显影在 In PPHEMT材料上制作出高成品率的 T型纳米栅 .在曝光显影条件变化 2 0 %的情况下 ,In P HEMT成品率达到 80 %以上 ;跨导变化范围在 5 90~ 6 10 m S/ mm,夹断电压为 - 1.0~ - 1.2 V,器件的栅长分布均匀 .这种新的结构工艺步骤少 ,工艺宽容度大 ,重复性好 ,大大提高了纳米栅器件的成品率 相似文献
10.
用国产MBE调,制掺杂材料研制了具有难熔金属硅化物栅的耗尽型高电子迁移率晶体器件。这种低噪声器件的栅长和栅宽分别为1.2-1.5μm和2×160μm。 相似文献
11.
12.
13.
Xinnan Lin Chuguang Feng Shengdong Zhang Wai-Hung Ho Mansun Chan 《Solid-state electronics》2004,48(12):2315-2319
A simple process to fabricate double gate SOI MOSFET is proposed. The new device structure utilizes the bulk diffusion layer as the bottom gate. The active silicon film is formed by recrystallized amorphous silicon film using metal-induced-lateral-crystallization (MILC). While the active silicon film is not truly single crystal, the material and device characteristics show that the film is equivalent to single crystal SOI film with high defect density, like SOI wafers produced in early days. The fabricated double gate MOSFETs are characterized, which demonstrate excellent device characteristics with higher current drive and stronger immunity to short channel effects compared to the single gate devices. 相似文献
14.
15.
This paper present, the modeling and estimation of edge direct tunneling current of metal gate (Hf/AlNx) symmetric double gate MOSFET with an intrinsic silicon channel. To model this leakage current, we use the surface potential model obtained from 2D analytical potential model for double gate MOSFET. The surface potential model is used to evaluate the electric field across the insulator layer hence edge direct tunneling current. Further, we have modeled and estimated the edge direct tunneling leakage current for high-k dielectric. In this paper, from our analysis, it is found that dual metal gate (Hf/AlNx) material offer the optimum leakage currents and improve the performance of the device. This feature of the device can be utilized in low power and high performance circuits and systems. 相似文献
16.
双栅MOSFET的研究与发展 总被引:1,自引:0,他引:1
具有特殊结构的双栅MOSFET是一种高速度、低功耗MOSFET器件,符合未来集成电路发展的方向。文章介绍了多种双栅MOSFET的结构、优点,以及近年来国内外对双栅MOSFET的研究成果。 相似文献
17.
Quantum effects have been incorporated in the analytic potential model for double-gate MOSFETs. From extensive solutions to the coupled Schrodinger and Poisson equations, threshold voltage shift and inversion layer capacitance are extracted as closed form functions of silicon thickness and inversion charge density. With these modifications, the compact model is shown to reproduce C-V and I-V curves of double-gate MOSFETs consistent with those obtained from those measured from experimental FinFET hardware. 相似文献
18.
简述了光学光刻技术在双重图形曝光、高折射率透镜材料及浸没介质、32nm光刻现状及22nm浸没式光刻技术的进展,指出了光学光刻技术的发展趋势及进入22nm技术节点的前景。 相似文献