Patents by Inventor Giuseppe Crippa
Giuseppe Crippa 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).
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Patent number: 11131690Abstract: It is described a contact probe for a testing head of an apparatus for testing electronic devices including a body essentially extended along a longitudinal direction between a contact tip and a contact head, that contact probe comprising at least one multilayer structure, in turn including a superposition of at least one inner layer or core and a first inner coating layer, and an outer coating layer that completely covers the multilayer structure and made of a material having a higher hardness than a material realizing the core.Type: GrantFiled: June 30, 2017Date of Patent: September 28, 2021Assignee: Technoprobe S.p.A.Inventor: Giuseppe Crippa
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Patent number: 10509056Abstract: A probe card for a testing apparatus of electronic devices comprises at least one testing head which houses a plurality of contact probes, each contact probe having at least one contact tip suitable to abut onto contact pads of a device under test, and a support plate of the testing head associated with a stiffener and an intermediate support, connected to the support plate and suitable to provide a spatial transformation of the distances between contact pads made on opposite sides thereof. Conveniently, the probe card comprises a support which is joined to the intermediate support, which is made of a material compatible with the printed circuit board technologies and has a coefficient of thermal expansion greater than 10×10?6° C.?1, the support being made of a metal material having a coefficient of thermal expansion lower than 6×10?6° C.?1.Type: GrantFiled: September 6, 2016Date of Patent: December 17, 2019Assignee: TECHNOPROBE S.P.A.Inventors: Riccardo Liberini, Raffaele Vallauri, Giuseppe Crippa
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Patent number: 10365299Abstract: A manufacturing method of a semi-finished product that includes a plurality of contact for a testing head of electronic devices comprises the steps of: providing a substrate made of a conductive material; and defining each contact probe by removing material from the substrate, each contact probes being anchored to the substrate by at least one bridge of material. The step of defining the contact probes includes a step of laser cutting, in correspondence with a contour of the contact probes and of that at least one bridge of material.Type: GrantFiled: June 30, 2017Date of Patent: July 30, 2019Assignee: TECHNOPROBE S.P.A.Inventors: Giuseppe Crippa, Roberto Crippa
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Patent number: 10228392Abstract: A contact probe of a testing head of a testing apparatus of electronic devices comprises respective end portions adapted to contact respective contact pads and a body essentially extended in a longitudinal direction between the end portions, at least one end portion comprising an insert made of a first conductive material having a hardness being greater than a second conductive material making the contact probe which is supported by a section of the end portion, the section being made of the second conductive material and being shaped in a complementary way with respect to the insert and having respective abutting surfaces facing and adhering to respective abutting surfaces of the insert.Type: GrantFiled: November 15, 2016Date of Patent: March 12, 2019Assignee: TECHNOPROBE S.P.A.Inventors: Roberto Crippa, Giuseppe Crippa, Raffaele Vallauri
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Publication number: 20170307657Abstract: It is described a contact probe for a testing head of an apparatus for testing electronic devices including a body essentially extended along a longitudinal direction between a contact tip and a contact head, that contact probe comprising at least one multilayer structure, in turn including a superposition of at least one inner layer or core and a first inner coating layer, and an outer coating layer that completely covers the multilayer structure and made of a material having a higher hardness than a material realizing the core.Type: ApplicationFiled: June 30, 2017Publication date: October 26, 2017Inventor: Giuseppe Crippa
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Publication number: 20170299634Abstract: A manufacturing method of a semi-finished product that includes a plurality of contact for a testing head of electronic devices comprises the steps of: providing a substrate made of a conductive material; and defining each contact probe by removing material from the substrate, each contact probes being anchored to the substrate by at least one bridge of material. The step of defining the contact probes includes a step of laser cutting, in correspondence with a contour of the contact probes and of that at least one bridge of material.Type: ApplicationFiled: June 30, 2017Publication date: October 19, 2017Inventors: Giuseppe Crippa, Roberto Crippa
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Publication number: 20170269125Abstract: A contact probe of a testing head of a testing apparatus of electronic devices comprises respective end portions adapted to contact respective contact pads and a body essentially extended in a longitudinal direction between the end portions, at least one end portion comprising an insert made of a first conductive material having a hardness being greater than a second conductive material making the contact probe which is supported by a section of the end portion, the section being made of the second conductive material and being shaped in a complementary way with respect to the insert and having respective abutting surfaces facing and adhering to respective abutting surfaces of the insert.Type: ApplicationFiled: March 9, 2016Publication date: September 21, 2017Inventors: Roberto CRIPPA, Giuseppe CRIPPA, Raffaele VALLAURI
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Publication number: 20170059612Abstract: A contact probe of a testing head of a testing apparatus of electronic devices comprises respective end portions adapted to contact respective contact pads and a body essentially extended in a longitudinal direction between the end portions, at least one end portion comprising an insert made of a first conductive material having a hardness being greater than a second conductive material making the contact probe which is supported by a section of the end portion, the section being made of the second conductive material and being shaped in a complementary way with respect to the insert and having respective abutting surfaces facing and adhering to respective abutting surfaces of the insert.Type: ApplicationFiled: November 15, 2016Publication date: March 2, 2017Inventors: Roberto CRIPPA, Giuseppe CRIPPA, Raffaele VALLAURI
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Publication number: 20160377656Abstract: A probe card for a testing apparatus of electronic devices comprises at least one testing head which houses a plurality of contact probes, each contact probe having at least one contact tip suitable to abut onto contact pads of a device under test, and a support plate of the testing head associated with a stiffener and an intermediate support, connected to the support plate and suitable to provide a spatial transformation of the distances between contact pads made on opposite sides thereof. Conveniently, the probe card comprises a support which is joined to the intermediate support, which is made of a material compatible with the printed circuit board technologies and has a coefficient of thermal expansion greater than 10×10?6° C.?1, the support being made of a metal material having a coefficient of thermal expansion lower than 6×10?6° C.?1.Type: ApplicationFiled: September 6, 2016Publication date: December 29, 2016Inventors: Riccardo Liberini, Rafaele Vallauri, Giuseppe Crippa
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Patent number: 7301354Abstract: A contact probe for a testing head is presented. The contact probe for a testing head has a plurality of these probes which are inserted in guide holes realized in respective dies, the probe comprising a rod-shaped body equipped at an end with at least a contact tip effective to ensure the mechanical and electrical contact with a corresponding contact pad of an integrated electronic device to be tested. The rod-shaped body has a nonuniform cross section.Type: GrantFiled: October 12, 2004Date of Patent: November 27, 2007Assignee: Technoprobe S.p.A.Inventors: Giuseppe Crippa, Stefano Felici
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Patent number: 7227368Abstract: A contact probe for a testing head effective to test a plurality of semiconductor-integrated electronic devices comprises a rod-like probe body having a cross section of prefixed contour and provided in correspondence with at least one end with an eccentric contact tip. The contact tip is positioned within the contour of the cross section of the probe body.Type: GrantFiled: March 24, 2005Date of Patent: June 5, 2007Assignee: Technoprobe S.p.A.Inventors: Giuseppe Crippa, Stefano Felici
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Publication number: 20050270044Abstract: A contact probe for a testing head effective to test a plurality of semiconductor-integrated electronic devices comprises a rod-like probe body having a cross section of prefixed contour and provided in correspondence with at least one end with an eccentric contact tip. The contact tip is positioned within the contour of the cross section of the probe body.Type: ApplicationFiled: March 24, 2005Publication date: December 8, 2005Applicant: Technoprobe S.p.A.Inventors: Giuseppe Crippa, Stefano Felici
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Publication number: 20050110506Abstract: A contact probe for a testing head is presented. The contact probe for a testing head has a plurality of these probes which are inserted in guide holes realized in respective dies, the probe comprising a rod-shaped body equipped at an end with at least a contact tip effective to ensure the mechanical and electrical contact with a corresponding contact pad of an integrated electronic device to be tested. The rod-shaped body has a nonuniform cross section.Type: ApplicationFiled: October 12, 2004Publication date: May 26, 2005Applicant: Technoprobe S.p.A.Inventors: Giuseppe Crippa, Stefano Felici
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Patent number: 6768327Abstract: A testing head having vertical probes is presented. The testing head a first and a second plate-like holder provided with respective guide holes, a contact probe adapted to be received in the guide holes and having a contact tip adapted to establish mechanical and electrical contact to a corresponding contact pad of an integrated electronic device to be tested, the contact probe being deformed in a deflection region located between the plate-like holders as the contact tip abuts onto the contact pad. The contact probe further comprises a rigid arm extending laterally from a body of the contact probe and terminating in the contact tip, the rigid arm being adapted to offset the contact point of the contact probe with the corresponding contact pad with respect to a longitudinal axis of the contact probe.Type: GrantFiled: March 19, 2002Date of Patent: July 27, 2004Assignee: Technoprobe S.r.l.Inventors: Stefano Felici, Giuseppe Crippa
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Patent number: 6674298Abstract: A testing head having cantilever probes is presented. The testing head, comprises a backing ring and a resin holder attached to the backing ring, as well as a plurality of contact probes held by the resin holder and formed with respective contact tips arranged to mechanically and electrically contact a plurality of contact pads of at least one device to be tested. The holder is formed with at least one suitably shaped outline to allow different probe rows to emerge in a cantilever manner.Type: GrantFiled: August 3, 2001Date of Patent: January 6, 2004Assignee: Technoprobe S.r.l.Inventors: Stefano Felici, Giuseppe Crippa
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Publication number: 20030151419Abstract: A contact probe for a testing head is described. The probe has at least a pointed rod-shaped body having a crook-shaped section capable to contact mechanically and electrically at least one contact pad of an electronic device to be tested and defined form an elbow point on the rod-shaped body. The rod-shaped body comprises at least one additional elbow point spaced form the elbow point and defining a concave angle in the rod-shaped body.Type: ApplicationFiled: December 5, 2002Publication date: August 14, 2003Applicant: Technoprobe S.r.l.Inventors: Stefano Felici, Giuseppe Crippa
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Patent number: 6515496Abstract: A testing head for microstructures is presented. The testing head includes a top guide plate and bottom guide plate, separated by an air gap. Each of the plates include respective guide holes for accommodating a contact probe having a contact tip that is arranged to mechanically and electrically contact a contact pads on a device under test. The contacting tip of the testing head has a non-zero pitch angle (&agr;OUT) relative to the contact pad, and “scrubs” the pad as the device under test is drawn against the contacting tip, causing the contact probe to bend within the air gap.Type: GrantFiled: May 10, 2001Date of Patent: February 4, 2003Assignee: Technoprobe S.r.l.Inventors: Stefano Felici, Giuseppe Crippa
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Publication number: 20020153910Abstract: A testing head having vertical probes is presented. The testing head a first and a second plate-like holder provided with respective guide holes, a contact probe adapted to be received in the guide holes and having a contact tip adapted to establish mechanical and electrical contact to a corresponding contact pad of an integrated electronic device to be tested, the contact probe being deformed in a deflection region located between the plate-like holders as the contact tip abuts onto the contact pad. The contact probe further comprises a rigid arm extending laterally from a body of the contact probe and terminating in the contact tip, the rigid arm being adapted to offset the contact point of the contact probe with the corresponding contact pad with respect to a longitudinal axis of the contact probe.Type: ApplicationFiled: March 19, 2002Publication date: October 24, 2002Applicant: Technoprobe S.r.I.Inventors: Stefano Felici, Giuseppe Crippa
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Publication number: 20020070743Abstract: A testing head having vertical probes is presented. The testing head comprises a guide plate having a guide hole formed therethrough, for accommodating a contact probe having a contact tip that is arranged to mechanically and electrically contact a contact pads on a device under test. The contact probe has a pre-deformed section placed in a flexion region between the guide plate and the test device, arranged to further deform as the contact pad of the test device is drawn against the contacting tip.Type: ApplicationFiled: August 3, 2001Publication date: June 13, 2002Applicant: Technoprobe S.r.l.Inventors: Stefano Felici, Giuseppe Crippa
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Publication number: 20020067178Abstract: A testing head having cantilever probes is presented. The testing head, comprises a backing ring and a resin holder attached to the backing ring, as well as a plurality of contact probes held by the resin holder and formed with respective contact tips arranged to mechanically and electrically contact a plurality of contact pads of at least one device to be tested. The holder is formed with at least one suitably shaped outline to allow different probe rows to emerge in a cantilever manner.Type: ApplicationFiled: August 3, 2001Publication date: June 6, 2002Inventors: Stefano Felici, Giuseppe Crippa