Patents by Inventor Botho Hirschfeld

Botho Hirschfeld has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9377423
    Abstract: Disclosed systems and methods for testing a device under test (DUT) with a probe system are selected to test a DUT at a temperature below the dew point of the ambient environment surrounding the probe system. Probe systems include a measurement chamber configured to isolate a cool, dry testing environment and a measurement chamber door configured to selectively isolate the internal volume of the measurement chamber. When a DUT, that is or is included on a substrate, is tested at a low temperature, systems and methods are selected to heat the substrate in a dry environment, at least partially isolated from the measurement chamber, to at least a temperature above the dew point and/or the frost point of the ambient environment.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 28, 2016
    Assignee: Cascade Microtech, Inc.
    Inventors: Botho Hirschfeld, Axel Becker
  • Patent number: 9373533
    Abstract: Systems and methods for providing wafer access in a wafer processing system are disclosed herein. The methods may include docking a first wafer cassette on the wafer processing system and removing a selected wafer from the first wafer cassette with the wafer processing system. The methods further may include performing a process operation on the selected wafer with the wafer processing system and undocking the first wafer cassette from the wafer processing system while performing the process operation. The methods also may include docking a second wafer cassette (which may be the same as or different from the first wafer cassette) on the wafer processing system, inventorying the second wafer cassette with the wafer processing system, and/or subsequently placing the selected wafer in the second wafer cassette. The systems may include wafer processing systems that include a controller that is programmed to perform at least a portion of the methods.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 21, 2016
    Assignee: Cascade Microtech, Inc.
    Inventors: Frank Fehrmann, Botho Hirschfeld, Stojan Kanev
  • Patent number: 9194885
    Abstract: The invention relates to a prober for checking and testing electronic semiconductor components and methods of using the same. The prober comprises at least two checking units, each of which is equipped with a chuck, probes, and a positioning unit, and each of which is assigned to a machine control system and a process control system. The prober further comprises a loading unit for automatically loading both testing units and an additional loader for manually loading at least one of the testing units, a user interface, and a module control system for controlling the process control systems and/or the machine control systems and the loading unit. The user interface can optionally be connected to at least one of the process control systems or the module control system by means of a switching device of the prober.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: November 24, 2015
    Assignee: Cascade Microtech, Inc.
    Inventors: Stojan Kanev, Botho Hirschfeld, Axel Becker, Ulf Hackius
  • Patent number: 9110131
    Abstract: The invention generally relates to a method and device for contacting contact areas (22) with probe tips (18) in a tester. The contact areas (22), which are arranged on a substrate (6), and the probe tips (18) are positioned relative to each other and then brought in contact with each other by an advancing motion. In order to detect a secure contact for each of the probe tips (18), the contacting between the probe tips (18) and the contact areas (22) is observed from at least two observation directions (34), which include an observation angle ? in a range of 0 to 180°.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: August 18, 2015
    Assignee: Cascade Microtech, Inc.
    Inventors: Claus Dietrich, Stojan Kanev, Frank Fehrmann, Botho Hirschfeld
  • Patent number: 8922229
    Abstract: A method is disclosed for the measurement of a power device in a prober, which serves the examination and testing of such components. In the process, a power device is held by a chuck, and at least one electric probe is held by a probe holder, and optionally, the power device or the probe is positioned each relative to the other using a positioning device with an electrical drive, and contacts the power device. At the same time, an electrical connection remains between the probe to a signal unit with which a power signal is sent out or received, is blocked and only unblocked when it is determined that the contact between probe 26 and contact area is established.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: December 30, 2014
    Assignee: Cascade Microtech, Inc.
    Inventors: Botho Hirschfeld, Stojan Kanev
  • Publication number: 20140186145
    Abstract: Systems and methods for providing wafer access in a wafer processing system are disclosed herein. The methods may include docking a first wafer cassette on the wafer processing system and removing a selected wafer from the first wafer cassette with the wafer processing system. The methods further may include performing a process operation on the selected wafer with the wafer processing system and undocking the first wafer cassette from the wafer processing system while performing the process operation. The methods also may include docking a second wafer cassette (which may be the same as or different from the first wafer cassette) on the wafer processing system, inventorying the second wafer cassette with the wafer processing system, and/or subsequently placing the selected wafer in the second wafer cassette. The systems may include wafer processing systems that include a controller that is programmed to perform at least a portion of the methods.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Applicant: Cascade Microtech, Inc.
    Inventors: Frank Fehrmann, Botho Hirschfeld, Stojan Kanev
  • Publication number: 20140185649
    Abstract: Disclosed systems and methods for testing a device under test (DUT) with a probe system are selected to test a DUT at a temperature below the dew point of the ambient environment surrounding the probe system. Probe systems include a measurement chamber configured to isolate a cool, dry testing environment and a measurement chamber door configured to selectively isolate the internal volume of the measurement chamber. When a DUT, that is or is included on a substrate, is tested at a low temperature, systems and methods are selected to heat the substrate in a dry environment, at least partially isolated from the measurement chamber, to at least a temperature above the dew point and/or the frost point of the ambient environment.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Applicant: Cascade Microtech, Inc.
    Inventors: Botho Hirschfeld, Axel Becker
  • Publication number: 20140145743
    Abstract: The invention relates to a prober for checking and testing electronic semiconductor components and methods of using the same. The prober comprises at least two checking units, each of which is equipped with a chuck, probes, and a positioning unit, and each of which is assigned to a machine control system and a process control system. The prober further comprises a loading unit for automatically loading both testing units and an additional loader for manually loading at least one of the testing units, a user interface, and a module control system for controlling the process control systems and/or the machine control systems and the loading unit. The user interface can optionally be connected to at least one of the process control systems or the module control system by means of a switching device of the prober.
    Type: Application
    Filed: September 2, 2011
    Publication date: May 29, 2014
    Applicant: Cascade Micotech, Inc.
    Inventors: Stojan Kanev, Botho Hirschfeld, Axel Becker, Ulf Hackius
  • Publication number: 20130027070
    Abstract: The invention generally relates to a method and device for contacting contact areas (22) with probe tips (18) in a tester. The contact areas (22), which are arranged on a substrate (6), and the probe tips (18) are positioned relative to each other and then brought in contact with each other by an advancing motion. In order to detect a secure contact for each of the probe tips (18), the contacting between the probe tips (18) and the contact areas (22) is observed from at least two observation directions (34), which include an observation angle ? in a range of 0 to 180°.
    Type: Application
    Filed: April 13, 2010
    Publication date: January 31, 2013
    Applicant: CASCADE MICROTECH INC
    Inventors: Claus Dietrich, Stojan Kanev, Frank Fehrmann, Botho Hirschfeld
  • Patent number: 8344744
    Abstract: An arrangement is provided for testing DUTs with a chuck that has a support surface for supporting of a DUT as well as for supplying the support surface with a defined potential, or for connecting the DUT. The arrangement further includes a positioning device for positioning the chuck as well as an electromagnetic shielding housing enclosing at least the chuck. Inside the housing and adjacent to the chuck, a signal preamplifier is arranged whose signal port facing the chuck is electrically connected with the support surface, wherein the signal preamplifier is moveable together with the chuck by the positioning device in a way that it holds its position constant relative to the chuck during positioning. The signal preamplifier is connected to a measurement unit outside of the housing via a measurement cable.
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: January 1, 2013
    Assignee: Cascade Microtech, Inc.
    Inventors: Axel Schmidt, Botho Hirschfeld, Stojan Kanev, Andrej Rumiantsev, Michael Teich
  • Publication number: 20120146676
    Abstract: A method is disclosed for the measurement of a power device in a prober, which serves the examination and testing of such components. In the process, a power device is held by a chuck, and at least one electric probe is held by a probe holder, and optionally, the power device or the probe is positioned each relative to the other using a positioning device with an electrical drive, and contacts the power device. At the same time, an electrical connection remains between the probe to a signal unit with which a power signal is sent out or received, is blocked and only unblocked when it is determined that the contact between probe 26 and contact area is established.
    Type: Application
    Filed: June 16, 2010
    Publication date: June 14, 2012
    Applicant: CASCADE MICROTECH, INC
    Inventors: Botho Hirschfeld, Stojan Kanev
  • Publication number: 20110227602
    Abstract: An arrangement is provided for testing DUTs with a chuck that has a support surface for supporting of a DUT as well as for supplying the support surface with a defined potential, or for connecting the DUT. The arrangement further includes a positioning device for positioning the chuck as well as an electromagnetic shielding housing enclosing at least the chuck. Inside the housing and adjacent to the chuck, a signal preamplifier is arranged whose signal port facing the chuck is electrically connected with the support surface, wherein the signal preamplifier is moveable together with the chuck by the positioning device in a way that it holds its position constant relative to the chuck during positioning. The signal preamplifier is connected to a measurement unit outside of the housing via a measurement cable.
    Type: Application
    Filed: June 18, 2010
    Publication date: September 22, 2011
    Applicant: CASCADE MICROTECH DRESDEN GMBH
    Inventors: Axel SCHMIDT, Botho HIRSCHFELD, Stojan KANEV, Andrej RUMIANTSEV, Michael TEICH
  • Patent number: 7282930
    Abstract: A device for testing thin elements, such as wafers or individual substrates, while at the same time offering a facility for inspecting the reverse side of the thin elements is provided in which any deflection of the substrate as a consequence of high contact power of the probe card is avoided and which is also suitable for substrate diameters of 200 mm and above. The device includes a stable plate with a central opening positioned on the basic construction, a frame which can be moved and/or turned on the plate in an x/y direction and, if required, in a theta direction, a highly-rigid substrate support which can be mounted in the frame, and substrates which can be mounted on the substrate support, wherein the mounting is effected through a vacuum, using mechanical elements (clamping ring, clamping foil or other suitable clamping elements), gel pack pads, or adhesive etc.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 16, 2007
    Assignee: Suss Microtec Test Systems GmbH
    Inventors: Uwe Beier, Dietmar Runge, Stefan Kreissig, Steffen Grauer, Matthias Rottka, Botho Hirschfeld, Joerg Kiesewetter
  • Publication number: 20070139067
    Abstract: A device for testing thin elements, such as wafers or individual substrates, while at the same time offering a facility for inspecting the reverse side of the thin elements is provided in which any deflection of the substrate as a consequence of high contact power of the probe card is avoided and which is also suitable for substrate diameters of 200 mm and above. The device includes a stable plate with a central opening positioned on the basic construction, a frame which can be moved and/or turned on the plate in an x/y direction and, if required, in a theta direction, a highly-rigid substrate support which can be mounted in the frame, and substrates which can be mounted on the substrate support, wherein the mounting is effected through a vacuum, using mechanical elements (clamping ring, clamping foil or other suitable clamping elements), gel pack pads, or adhesive etc.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: SUSS MicroTec Test Systems GmbH
    Inventors: Uwe Beier, Dietmar Runge, Stefan Kreissig, Steffen Grauer, Matthias Rottka, Botho Hirschfeld, Joerg Kiesewetter
  • Patent number: 6688156
    Abstract: The invention relates to a tester for pressure sensors in the wafer compound or isolated pressure sensors having a recess for the pressure sensors as well as means for electrical contacting of the electrical connections of at least one of the pressure sensors. The invention is intended to make it possible to test pressure sensors still in a wafer compound for their function. According to the invention, a pressure head is provided which has an interior space open on one side, the open face of which is capable of being mounted on the pressure sensor in such a way that the interior space is tightly sealed by the latter. In this way a static or dynamic pressure of specified amount and duration can be exerted on the sensor element at least so that the sensor element is moved out of its resting position. At the same time, the electrical connections of the selected pressure sensor are connected with an electrical evaluation unit.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: February 10, 2004
    Assignee: Karl Suss Dresden GmbH
    Inventors: Claus Dietrich, Botho Hirschfeld, Dietmar Runge, Michael Teich, Stefan Schneidewind
  • Publication number: 20020152794
    Abstract: The invention relates to a tester for pressure sensors (1) in the wafer compound or isolated pressure sensors having a recess for the pressure sensors as well as means for electrical contacting (7) of the electrical connections of at least one of the pressure sensors. The invention is intended to make it possible to test pressure sensors still in a wafer compound for their function. According to the invention, a pressure head (9) is provided which has an interior space (10) open on one side, the open face (11) of which is capable of being mounted on the pressure sensor (1) in such a way that the interior space (10) is tightly sealed by the latter. In this way a static or dynamic pressure of specified amount and duration can be exerted on the sensor element (4) at least so that the sensor element (4) is moved out of its resting position. At the same time, the electrical connections (7) of the selected pressure sensor (1) are connected with an electrical evaluation unit (21).
    Type: Application
    Filed: January 4, 2001
    Publication date: October 24, 2002
    Inventors: Claus Dietrich, Botho Hirschfeld, Dietmar Runge, Michael Teich, Stefan Schneidewind