公开(公告)号：US06749761B1

公开(公告)日：2004-06-15

申请号：US09972339

申请日：2001-10-05

申请人： Mark S. Andreaco ,  Charles W. Williams ,  J. Clifton Moyers ,  Keith Valgneur

发明人： Mark S. Andreaco ,  Charles W. Williams ,  J. Clifton Moyers ,  Keith Valgneur

IPC分类号： B29D1100

CPC分类号： G01T1/2002 ,  G01T1/202

摘要： A method for producing a high resolution detector array so as to provide very high packing fraction, i.e. the distance between scintillator elements is minimized so the detector efficiency will be higher than is currently achievable. In the preferred embodiment of the present invention, the fabrication methodology is enhanced by handling LSO bars rather than single crystals when gluing on the Lumirror® as well as etching the LSO. Namely, an LSO boule is cut into wide bars of a selected dimension, for example 30 mm, which are then acid etched or mechanically polished. A selected number, N, of these LSO bars can then be glued together with Lumirror® sheets between each bar (coating the LSO disks and Lumirror® sheets with Epotek 301-2). The glued bar block is then cut again into bars in a perpendicular direction, and these new LSO-Lumirror® bars are etched. Finally, a selected number, M, of these LSO-Lumirror® bars are glued together with Lumirror® sheets between each bar; thus creating an etched N×M LSO-Lumirror® array, (where M may or may not be equal to N), without having to handle individual LSO crystals or small Lumirror® pieces.

摘要翻译： 用于产生高分辨率检测器阵列以提供非常高的填充分数的方法，即闪烁体元件之间的距离被最小化，因此检测器效率将高于目前可实现的。 在本发明的优选实施例中，通过在胶合在Lumirror上以及蚀刻LSO时，通过处理LSO条而不是单晶来增强制造方法。 也就是说，将LSO毛坯切成选定尺寸的宽条，例如30mm，然后进行酸蚀或机械抛光。 然后可以将这些LSO条的所选数量N，与每个条之间的Lumirror（Epotek 301-2涂覆LSO盘和Lumirror纸）粘合在一起。 然后将胶合棒块沿垂直方向再次切成杆，并且蚀刻这些新的LSO-Lumirror（R）棒。 最后，将这些LSO-Lumirror（R）棒的选定数量M与在每个条之间的Lumirror胶合在一起; 从而产生蚀刻的NxM LSO-Lumirror阵列（其中M可以或可以不等于N），而不必处理单独的LSO晶体或小的Lumirror（R）片。