公开(公告)号：US09449876B2

公开(公告)日：2016-09-20

申请号：US14158398

申请日：2014-01-17

Applicant: Infineon Technologies AG

Inventor： Michael Roesner ,  Gudrun Stranzl ,  Manfred Schneegans

IPC: H01L21/00 ,  H01L21/78 ,  H01L21/66 ,  H01L23/00 ,  B23H1/00 ,  B23H9/00

CPC classification number: H01L21/78 ,  B23H1/00 ,  B23H9/00 ,  H01L22/10 ,  H01L22/34 ,  H01L23/564 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A method of separating individual dies of a semiconductor wafer includes forming a metal layer on a first surface of a semiconductor wafer, the semiconductor wafer including a plurality of dies, separating the plurality of dies from one another, and electrical discharge machining the metal layer into individual segments each of which remains attached to one of the dies. A corresponding semiconductor die produced by such a method is also provided.

Abstract translation: 分离半导体晶片的各个管芯的方法包括在半导体晶片的第一表面上形成金属层，所述半导体晶片包括多个管芯，将多个管芯彼此分离，并将金属层进行放电加工成 各个片段保持附着于一个模具。 还提供了通过这种方法制造的相应的半导体管芯。

公开(公告)号：US20160111255A1

公开(公告)日：2016-04-21

申请号：US14977625

申请日：2015-12-21

Applicant: Infineon Technologies AG

Inventor： Manfred Engelhardt ,  Gudrun Stranzl ,  Markus Zundel ,  Hubert Maier

IPC: H01J37/32

CPC classification number: H01J37/32009 ,  B28D5/00 ,  H01J2237/334 ,  H01L21/6835 ,  H01L21/6836 ,  H01L21/78 ,  H01L2221/68327 ,  H01L2221/68336 ,  H01L2221/6834

Abstract: Various methods and apparatuses are provided relating to separation of a substrate into a plurality of parts. For example, first a partial separation is performed and then the partially separated substrate is completely separated into a plurality of parts.

公开(公告)号：US09257342B2

公开(公告)日：2016-02-09

申请号：US14260903

申请日：2014-04-24

Applicant: Infineon Technologies AG

Inventor： Gudrun Stranzl ,  Martin Zgaga ,  Markus Kahn ,  Guenter Denifl

IPC: H01L21/82 ,  H01L21/78 ,  H01L21/8258 ,  H01L21/308

CPC classification number: H01L21/78 ,  H01L21/02115 ,  H01L21/0212 ,  H01L21/308 ,  H01L21/76224 ,  H01L21/82 ,  H01L21/8258

Abstract: In one embodiment, a method of forming a semiconductor device includes forming openings in a substrate. The method includes forming a dummy fill material within the openings and thinning the substrate to expose the dummy fill material. The dummy fill material is removed.

Abstract translation: 在一个实施例中，形成半导体器件的方法包括在衬底中形成开口。 该方法包括在开口内形成虚拟填充材料并使衬底变薄以暴露虚拟填充材料。 去除虚拟填充材料。

公开(公告)号：US09093385B2

公开(公告)日：2015-07-28

申请号：US13903013

申请日：2013-05-28

Applicant: Infineon Technologies AG

Inventor： Anja Gissibl ,  Hermann Wendt ,  Thomas Fischer ,  Bernhard Weidgans ,  Gudrun Stranzl ,  Tobias Schmidt ,  Dietrich Bonart

IPC: H01L21/00 ,  H01L21/306 ,  H01L21/3065 ,  H01L21/78

CPC classification number: H01L21/78 ,  H01L21/28568 ,  H01L21/30604 ,  H01L21/3065 ,  H01L21/32133 ,  H01L21/32134 ,  H01L21/76841 ,  H01L21/76892

Abstract: A method for processing a semiconductor workpiece is provided, which may include: providing a semiconductor workpiece including a metallization layer stack disposed at a side of the semiconductor workpiece, the metallization layer stack including at least a first layer and a second layer disposed over the first layer, wherein the first layer contains a first material and the second layer contains a second material that is different from the first material; patterning the metallization layer stack, wherein patterning the metallization layer stack includes wet etching the first layer and the second layer by means of an etching solution that has at least substantially the same etching rate for the first material and the second material.

Abstract translation: 提供了一种用于处理半导体工件的方法，其可以包括：提供包括设置在半导体工件侧面的金属化层堆叠的半导体工件，金属化层堆叠包括至少第一层和设置在第一层上的第二层 层，其中所述第一层包含第一材料，并且所述第二层包含不同于所述第一材料的第二材料; 图案化金属化层堆叠，其中图案化金属化层堆叠包括通过蚀刻溶液湿法蚀刻第一层和第二层，蚀刻溶液对于第一材料和第二材料具有至少基本上相同的蚀刻速率。

公开(公告)号：US09059273B2

公开(公告)日：2015-06-16

申请号：US14014699

申请日：2013-08-30

Applicant: Infineon Technologies AG

Inventor： Petra Fischer ,  Michael Roesner ,  Gudrun Stranzl

IPC: H01L21/00 ,  H01L21/78

CPC classification number: H01L21/78 ,  H01L2223/54453 ,  H01L2223/5446 ,  H01L2224/03001

Abstract: A method for processing a semiconductor wafer in accordance with various embodiments may include: providing a semiconductor wafer including at least one chip and at least one kerf region adjacent to the at least one chip, the kerf region including at least one auxiliary structure; applying a mask layer to the semiconductor wafer; removing the at least one auxiliary structure in the at least one kerf region; removing the applied mask layer; and separating the semiconductor wafer along the at least one kerf region.

Abstract translation: 根据各种实施例的用于处理半导体晶片的方法可以包括：提供包括至少一个芯片的半导体晶片和与所述至少一个芯片相邻的至少一个切割区域，所述切割区域包括至少一个辅助结构; 对半导体晶片施加掩模层; 去除所述至少一个切口区域中的所述至少一个辅助结构; 去除所施加的掩模层; 以及沿着所述至少一个切口区域分离所述半导体晶片。

公开(公告)号：US20150147850A1

公开(公告)日：2015-05-28

申请号：US14088523

申请日：2013-11-25

Applicant: Infineon Technologies AG

Inventor： Gudrun Stranzl ,  Martin Zgaga ,  Rainer Leuschner ,  Bernhard Goller ,  Bernhard Boche ,  Manfred Engelhardt ,  Hermann Wendt ,  Bernd Noehammer ,  Karl Mayer ,  Michael Roesner ,  Monika Cornelia Voerckel

IPC: H01L21/82 ,  H01L21/283 ,  H01L21/265 ,  H01L23/00

CPC classification number: H01L21/6835 ,  H01L21/0331 ,  H01L21/283 ,  H01L21/2855 ,  H01L21/304 ,  H01L21/3065 ,  H01L21/3081 ,  H01L21/3086 ,  H01L21/6836 ,  H01L21/76895 ,  H01L21/78 ,  H01L2221/68327 ,  H01L2221/6834 ,  H01L2221/68359 ,  H01L2924/12042 ,  H01L2924/13055 ,  H01L2924/0001

Abstract: Methods for processing a semiconductor workpiece can include providing a semiconductor workpiece that includes one or more kerf regions; forming one or more trenches in the workpiece by removing material from the one or more kerf regions from a first side of the workpiece; mounting the workpiece with the first side to a carrier; thinning the workpiece from a second side of the workpiece; and forming a metallization layer over the second side of the workpiece.

Abstract translation: 用于处理半导体工件的方法可以包括提供包括一个或多个切口区域的半导体工件; 通过从所述工件的第一侧移除来自所述一个或多个切割区域的材料，在所述工件中形成一个或多个沟槽; 将具有第一侧的工件安装到载体上; 从工件的第二侧使工件变薄; 以及在所述工件的第二侧上形成金属化层。

公开(公告)号：US11282805B2

公开(公告)日：2022-03-22

申请号：US16360570

申请日：2019-03-21

Applicant: Infineon Technologies AG

Inventor： Michael Roesner ,  Markus Menath ,  Gudrun Stranzl

IPC: H01L29/45 ,  H01L23/00 ,  H01L21/04 ,  H01L29/16

Abstract: A semiconductor device includes a silicon carbide layer, a metal carbide layer arranged over the silicon carbide layer, and a solder layer arranged over and in contact with the metal carbide layer.

公开(公告)号：US10157765B2

公开(公告)日：2018-12-18

申请号：US15359620

申请日：2016-11-23

Applicant: Infineon Technologies AG

Inventor： Gudrun Stranzl ,  Martin Zgaga ,  Rainer Leuschner ,  Bernhard Goller ,  Bernhard Boche ,  Manfred Engelhardt ,  Hermann Wendt ,  Bernd Noehammer ,  Karl Mayer ,  Michael Roesner ,  Monika Cornelia Voerckel

IPC: H01L23/498 ,  H01L21/683 ,  H01L21/283 ,  H01L21/78 ,  H01L21/033 ,  H01L21/285 ,  H01L21/304 ,  H01L21/3065 ,  H01L21/308 ,  H01L21/768

Abstract: Methods for processing a semiconductor workpiece can include providing a semiconductor workpiece that includes one or more kerf regions; forming one or more trenches in the workpiece by removing material from the one or more kerf regions from a first side of the workpiece; mounting the workpiece with the first side to a carrier; thinning the workpiece from a second side of the workpiece; and forming a metallization layer over the second side of the workpiece.

公开(公告)号：US20170158493A1

公开(公告)日：2017-06-08

申请号：US15440962

申请日：2017-02-23

Applicant: Infineon Technologies AG

Inventor： Thomas Grille ,  Ursula Hedenig ,  Michael Roesner ,  Gudrun Stranzl ,  Martin Zgaga

IPC: B81B7/00 ,  B81C1/00 ,  B01D67/00

CPC classification number: B81B7/0061 ,  B01D67/0034 ,  B81B2201/0257 ,  B81B2201/10 ,  B81C1/00904 ,  B81C2201/0132 ,  Y10T428/24273

Abstract: A hole plate and a MEMS microphone arrangement are disclosed. In an embodiment a hole plate includes a substrate with a first main surface, a second main surface, and a lateral surface and a perforation structure formed within the substrate, the perforation structure having a plurality of through-holes through the substrate, wherein the through-holes and the lateral surface are a result of a simultaneous dry etching step.

公开(公告)号：US09673096B2

公开(公告)日：2017-06-06

申请号：US14541239

申请日：2014-11-14

Applicant: INFINEON TECHNOLOGIES AG

Inventor： Joachim Hirschler ,  Michael Roesner ,  Markus Juch Heinrici ,  Gudrun Stranzl ,  Martin Mischitz ,  Martin Zgaga

IPC: H01L21/78 ,  H01L21/288 ,  H01L21/3213 ,  H01L21/683 ,  H01L23/00

CPC classification number: H01L21/78 ,  H01L21/288 ,  H01L21/3213 ,  H01L21/6835 ,  H01L23/562 ,  H01L24/03 ,  H01L24/05 ,  H01L24/06 ,  H01L24/94 ,  H01L24/95 ,  H01L2221/68327 ,  H01L2221/68363 ,  H01L2221/68368 ,  H01L2224/03002 ,  H01L2224/03005 ,  H01L2224/03009 ,  H01L2224/0332 ,  H01L2224/0345 ,  H01L2224/03452 ,  H01L2224/03464 ,  H01L2224/03505 ,  H01L2224/03848 ,  H01L2224/039 ,  H01L2224/05794 ,  H01L2224/05847 ,  H01L2224/06181 ,  H01L2224/94 ,  H01L2224/95 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2224/03 ,  H01L2221/68381

Abstract: According to various embodiments, a method for processing a semiconductor substrate may include: covering a plurality of die regions of the semiconductor substrate with a metal; forming a plurality of dies from the semiconductor substrate, wherein each die of the plurality of dies is covered with the metal; and, subsequently, annealing the metal covering at least one die of the plurality of dies.