公开(公告)号：US20010002341A1

公开(公告)日：2001-05-31

申请号：US09753310

申请日：2000-12-29

Applicant: FormFactor, Inc., a Delaware corporation

Inventor： Benjamin N. Eldridge ,  Gary W. Grube ,  Igor Y. Khandros ,  Gaetan L. Mathieu

IPC: H01R012/00

CPC classification number: G01R3/00 ,  B23K2101/38 ,  G01R1/06727 ,  G01R1/06744 ,  H01L21/6835 ,  H01L23/4951 ,  H01L24/72 ,  H01L2924/01005 ,  H01L2924/01013 ,  H01L2924/01015 ,  H01L2924/01019 ,  H01L2924/01027 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01042 ,  H01L2924/01045 ,  H01L2924/01046 ,  H01L2924/01047 ,  H01L2924/01049 ,  H01L2924/01074 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/01082 ,  H01L2924/12042 ,  H01L2924/14 ,  H01L2924/1433 ,  H01L2924/3011 ,  H01L2924/3025 ,  H01R12/57 ,  H05K3/4092 ,  Y10T29/49147 ,  Y10T29/49149 ,  Y10T29/49155 ,  Y10T29/49204 ,  H01L2924/00

Abstract: Spring contact elements are fabricated by depositing at least one layer of metallic material into openings defined on a sacrificial substrate. The openings may be within the surface of the substrate, or in one or more layers deposited on the surface of the sacrificial substrate. Each spring contact element has a base end portion, a contact end portion, and a central body portion. The contact end portion is offset in the z-axis (at a different height) than the central body portion. The base end portion is preferably offset in an opposite direction along the z-axis from the central body portion. In this manner, a plurality of spring contact elements are fabricated in a prescribed spatial relationship with one another on the sacrificial substrate. The spring contact elements are suitably mounted by their base end portions to corresponding terminals on an electronic component, such as a space transformer or a semiconductor device, whereupon the sacrificial substrate is removed so that the contact ends of the spring contact elements extend above the surface of the electronic component. In an exemplary use, the spring contact elements are thereby disposed on a space transformer component of a probe card assembly so that their contact ends effect pressure connections to corresponding terminals on another electronic component, for the purpose of probing the electronic component.

Abstract translation: 通过将至少一层金属材料沉积到限定在牺牲衬底上的开口中来制造弹簧接触元件。 开口可以在衬底的表面内，或者在沉积在牺牲衬底的表面上的一个或多个层中。 每个弹簧接触元件具有基端部分，接触端部分和中心体部分。 接触端部在与中心体部分相同的z轴（不同高度）偏移。 基端部优选地沿着与中心主体部分的z轴相反的方向偏移。 以这种方式，在牺牲基板上以规定的空间关系制造多个弹簧接触元件。 弹簧接触元件通过它们的基端部适当地安装在诸如空间变压器或半导体器件的电子部件上的对应端子上，从而去除牺牲基板，使得弹簧接触元件的接触端部在表面上方延伸 的电子元件。 在示例性用途中，弹簧接触元件因此被布置在探针卡组件的空间变换器部件上，使得它们的接触端在另一电子部件上实现与相应端子的压力连接，以便探测电子部件。

公开(公告)号：US20010002340A1

公开(公告)日：2001-05-31

申请号：US09752853

申请日：2000-12-29

Applicant: FormFactor, Inc., a Delaware corporation

Inventor： Benjamin N. Eldridge ,  Gary W. Grube ,  Igor Y. Khandros ,  Gaetan L. Mathieu

IPC: H01R012/00

CPC classification number: G01R3/00 ,  B23K20/004 ,  B23K2101/38 ,  B23K2101/40 ,  C25D5/08 ,  C25D5/22 ,  C25D7/12 ,  C25D7/123 ,  C25D21/02 ,  G01R1/06727 ,  G01R1/06744 ,  G01R31/2884 ,  H01L21/4853 ,  H01L21/4889 ,  H01L21/563 ,  H01L21/6835 ,  H01L22/20 ,  H01L23/4951 ,  H01L23/49811 ,  H01L24/11 ,  H01L24/16 ,  H01L24/45 ,  H01L24/49 ,  H01L24/72 ,  H01L24/81 ,  H01L25/0652 ,  H01L25/16 ,  H01L2224/05001 ,  H01L2224/05023 ,  H01L2224/05548 ,  H01L2224/1134 ,  H01L2224/16145 ,  H01L2224/45015 ,  H01L2224/45144 ,  H01L2224/4554 ,  H01L2224/456 ,  H01L2224/49109 ,  H01L2224/73203 ,  H01L2224/78301 ,  H01L2224/81801 ,  H01L2224/85043 ,  H01L2224/851 ,  H01L2224/85201 ,  H01L2225/0651 ,  H01L2225/06527 ,  H01L2225/06555 ,  H01L2225/06572 ,  H01L2924/00013 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01011 ,  H01L2924/01012 ,  H01L2924/01014 ,  H01L2924/01015 ,  H01L2924/01018 ,  H01L2924/01019 ,  H01L2924/01022 ,  H01L2924/01027 ,  H01L2924/01028 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01039 ,  H01L2924/01042 ,  H01L2924/01045 ,  H01L2924/01046 ,  H01L2924/01047 ,  H01L2924/01049 ,  H01L2924/0105 ,  H01L2924/01051 ,  H01L2924/01074 ,  H01L2924/01075 ,  H01L2924/01077 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/01082 ,  H01L2924/01322 ,  H01L2924/014 ,  H01L2924/10253 ,  H01L2924/10329 ,  H01L2924/12042 ,  H01L2924/14 ,  H01L2924/1433 ,  H01L2924/15153 ,  H01L2924/15165 ,  H01L2924/15312 ,  H01L2924/1532 ,  H01L2924/16195 ,  H01L2924/19041 ,  H01L2924/19043 ,  H01L2924/20751 ,  H01L2924/20752 ,  H01L2924/20753 ,  H01L2924/20754 ,  H01L2924/20755 ,  H01L2924/30105 ,  H01L2924/30107 ,  H01L2924/3011 ,  H01L2924/3025 ,  H01R12/52 ,  H01R12/57 ,  H05K1/141 ,  H05K3/24 ,  H05K3/308 ,  H05K3/326 ,  H05K3/3421 ,  H05K3/3426 ,  H05K3/4015 ,  H05K3/4092 ,  H05K7/1069 ,  H05K2201/0397 ,  H05K2201/068 ,  H05K2201/1031 ,  H05K2201/10378 ,  H05K2201/10719 ,  H05K2201/10734 ,  H05K2201/10878 ,  H05K2201/10909 ,  H05K2201/10946 ,  Y02P70/611 ,  Y02P70/613 ,  Y10T29/49147 ,  Y10T29/49149 ,  Y10T29/49155 ,  Y10T29/49204 ,  H01L2224/13099 ,  H01L2924/00 ,  H01L2224/48 ,  H01L2224/05599 ,  H01L2224/05099

Abstract: Spring contact elements are fabricated by depositing at least one layer of metallic material into openings defined on a sacrificial substrate. The openings may be within the surface of the substrate, or in one or more layers deposited on the surface of the sacrificial substrate. Each spring contact element has a base end portion, a contact end portion, and a central body portion. The contact end portion is offset in the z-axis (at a different height) than the central body portion. The base end portion is preferably offset in an opposite direction along the z-axis from the central body portion. In this manner, a plurality of spring contact elements are fabricated in a prescribed spatial relationship with one another on the sacrificial substrate. The spring contact elements are suitably mounted by their base end portions to corresponding terminals on an electronic component, such as a space transformer or a semiconductor device, whereupon the sacrificial substrate is removed so that the contact ends of the spring contact elements extend above the surface of the electronic component. In an exemplary use, the spring contact elements are thereby disposed on a space transformer component of a probe card assembly so that their contact ends effect pressure connections to corresponding terminals on another electronic component, for the purpose of probing the electronic component.

Abstract translation: 通过将至少一层金属材料沉积到限定在牺牲衬底上的开口中来制造弹簧接触元件。 开口可以在衬底的表面内，或者在沉积在牺牲衬底的表面上的一个或多个层中。 每个弹簧接触元件具有基端部分，接触端部分和中心体部分。 接触端部在与中心体部分相同的z轴（不同高度）偏移。 基端部优选地沿着与中心主体部分的z轴相反的方向偏移。 以这种方式，在牺牲基板上以规定的空间关系制造多个弹簧接触元件。 弹簧接触元件通过它们的基端部适当地安装在诸如空间变压器或半导体器件的电子部件上的对应端子上，从而去除牺牲基板，使得弹簧接触元件的接触端部在表面上方延伸 的电子元件。 在示例性用途中，弹簧接触元件因此被布置在探针卡组件的空间变换器部件上，使得它们的接触端在另一电子部件上实现与相应端子的压力连接，以便探测电子部件。