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    • 10. 发明授权
    • Method for ion implantation
    • 离子注入方法
    • US09431247B2
    • 2016-08-30
    • US14752522
    • 2015-06-26
    • ADVANCED ION BEAM TECHNOLOGY, INC.
    • Zhimin WanKourosh SaadatmandWilhelm P. PlatowGer-Pin LinChing-I LiRekha PadmanabhanGary N. Cai
    • H01L21/265H01J37/302
    • H01L21/26586H01J37/3026H01J37/3171H01J2237/0835H01J2237/30455H01J2237/30472H01J2237/31706
    • A method for an ion implantation is provided. First, a non-parallel ion beam is provided. Thereafter, a relative motion between a workpiece and the non-parallel ion beam, so as to enable each region of the workpiece to be implanted by different portions of the non-parallel ion beam successively. Particularly, when at least one three-dimensional structure is located on the upper surface of the workpiece, both the top surface and the side surface of the three-dimensional structure may be implanted properly by the non-parallel ion beam when the workpiece is moved across the non-parallel ion beam one and only one times. Herein, the non-parallel ion beam can be a divergent ion beam or a convergent ion beam (both may be viewed as the integrated divergent beam), also can be generated directly from an ion source or is modified from a parallel ion beam, a divergent ion beam or a convergent ion beam.
    • 提供了一种用于离子注入的方法。 首先,提供非平行离子束。 此后,工件和非平行离子束之间的相对运动,以使得工件的每个区域能够被不平行离子束的不同部分连续地注入。 特别地,当至少一个三维结构位于工件的上表面上时,当工件移动时,可以通过非平行离子束适当地注入三维结构的顶表面和侧表面 跨越非平行离子束一次,仅一次。 这里,非平行离子束可以是发散离子束或会聚离子束(两者均可视为积分发散光束),也可以直接从离子源产生或者从平行离子束修饰, 发散离子束或会聚离子束。