公开(公告)号：US09797061B2

公开(公告)日：2017-10-24

申请号：US14928740

申请日：2015-10-30

Applicant: General Electric Company

Inventor： Arie Shahar ,  Eliezer Traub ,  Peter Rusian ,  Juan Carlos Rojo

IPC: C30B11/00 ,  C30B29/48

CPC classification number: C30B11/003 ,  C30B29/48 ,  Y10T117/1092

Abstract: A system for growing a crystal is provided that includes a crucible, a furnace, and a heat transfer device. The crucible has a first volume to receive therein a material for growing a crystal. The furnace has an ampoule configured to receive the crucible within the ampoule. The furnace is configured to produce a lateral thermal profile combined with a vertical thermal gradient. The heat transfer device is disposed under the crucible and configured to produce a leading edge of growth of the crystal at a bottom of the crucible. The heat transfer device includes at least one elongate member disposed beneath the crucible and extending along a length of the crucible.

公开(公告)号：US20140084171A1

公开(公告)日：2014-03-27

申请号：US13624660

申请日：2012-09-21

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Arie Shahar ,  Eliezer Traub

IPC: G01T1/20 ,  G01T1/00

CPC classification number: G01T1/2985 ,  A61B6/032 ,  A61B6/037 ,  A61B6/4291 ,  A61B6/5205 ,  A61B6/542 ,  G01T1/1648

Abstract: Systems and methods for scanning with radiation detectors are provided. One system includes at least one radiation scanning camera-head, an array of at least one pixelated radiation detector having an imaging surface including a two dimensional array of pixels, and a scanning unit positioned between the radiation detector and the object. The scanning unit includes first and second radiation blocking plates having first and second two-dimensional arrays of openings, respectively, wherein the array of pixels and the first and second arrays of openings have a same pitch. Additionally, for each of a plurality of scan positions of the scanning unit, the first and second moveable plates and the imaging surface are positioned differently with respect to each other to produce different inclination angles in response to each scan position.

Abstract translation: 提供了使用辐射探测器进行扫描的系统和方法。 一个系统包括至少一个辐射扫描相机头，具有包括二维像素阵列的成像表面的至少一个像素化辐射检测器的阵列，以及位于辐射检测器和物体之间的扫描单元。 扫描单元包括分别具有第一和第二二维开口阵列的第一和第二辐射阻挡板，其中像素阵列和第一和第二开口阵列具有相同的间距。 此外，对于扫描单元的多个扫描位置中的每一个，第一和第二可移动板和成像表面相对于彼此不同地定位，以响应于每个扫描位置产生不同的倾斜角度。