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| Number | Title | Issue Date |
| 7997147 | Shear test device Shear test apparatus for gold and solder balls of a semiconductor substrate comprises a support element (21) on which is provided a piezo-electric crystal (24) in the direct shear load path. The crystal (24) may have a shield (25). The in... | 08/16/2011 |
| 7980140 | Adhesion inspection apparatus and adhesion inspection method using the same An object of the present invention is to provide an adhesion inspection apparatus and method that can provide a reliable detection even for defect without the need of any complicated works, such as adjusting of an optical axis of instrument. An adhesion inspection a... | 07/19/2011 |
| 7905152 | Shear test apparatus and method A test apparatus for applying shear loads to a deposit on a substrate comprises a cantilevered shear tool (18) having a tip (24) for contact with the deposit, and a back face having a piezo-electric crystal thereon. In use, the back face is subject to ... | 03/15/2011 |
| 7730790 | Shear test device Shear test apparatus for gold and solder balls of a semi-conductor substrate comprises a support element (21) on which is provided a piezo electric crystal (24) in the direct shear load path. The crystal (24) may have a shield (25). The i... | 06/08/2010 |
| 7497129 | Rubber specimen-stretching jig and apparatus and method for analyzing molecular structure and molecular motion of stretched rubber specimen A rubber specimen-stretching jig including a jig body has a disk-shaped pedestal; a columnar rubber specimen-fitting support erected on the pedestal; and a columnar retaining ring-fitting support projected from an upper end surface of the rubber specimen-fitting sup... | 03/03/2009 |
| 7392708 | Apparatus and method of measuring shear strain of thick adhesive bondlines A method an apparatus for testing shear strain response of a test specimen having a thick adhesive bond line is disclosed. Method and apparatus permit the use of readily available clip-on extensometers. The apparatus and method may include the use of knife edges sec... | 07/01/2008 |
| 7389698 | Nutplate bond strength tester unit A bond strength tester unit is provided for testing adhesive bond strength of a nutplate or the like attached to a substrate, such as by adhesive bonded attachment to a blind side of the substrate in substantial alignment with a substrate opening. The nutplate may b... | 06/24/2008 |
| 7329900 | Bonding strength testing device A bonding strength test device suits to perform a bonding strength test for at least one solder ball that fixed on a substrate. The bonding strength test device includes a fixed base and an impact apparatus. The impact apparatus has a first end and a second end corr... | 02/12/2008 |
| 7197941 | Method for selecting an insert on the basis of the mechanical resistance thereof A method for selecting a polymeric insert to be chosen for its mechanical strength qualities to be incorporated into construction of a laminated glazing. The method evaluates the tear strength of the insert, and evaluates adhesion of the insert to at least one glass... | 04/03/2007 |
| 7047819 | Testing of samples Test apparatus comprising means for holding a sample to be tested, means for altering the strain in the sample, an optical arrangement for monitoring the sample to be tested, and processing means for processing the signals resulting from the monitoring of the sample... | 05/23/2006 |
| 6948370 | Method of measuring the adhesion of a coating to a substrate A method of measuring the adhesion of a coating to a substrate, wherein the measurement is done in air and wherein an ultrasound transducer is applied to the substrate by means of a thin film of gel, and a quality factor is calculated, given by the ratio between the... | 09/27/2005 |
| 6848321 | Bond strength measurement system using shock loads A system and method for non-destructively testing the strength of bonded joints, particularly a bonded joint between two composite components, is provided. The method generally includes activating a source of rapid surface pressure application against a bonded assem... | 02/01/2005 |
| 6564648 | Method and apparatus for inspecting solder balls on ball grid array package A method and art apparatus are proposed for inspecting solder balls on a BGA (Ball Grid Array) package, which are capable of rejecting defectively-bonded solder balls while allowing properly-bonded ones to pass therethrough. The proposed method and appara... | 05/20/2003 |
| 6550343 | Method and apparatus for testing shear strength of rubber bonded to metal insert An apparatus for measuring the shear strength of rubber bonded to a metal insert in a valve seal comprising an upper fixture and a lower fixture. A mounting device is disposed in the lower fixture of the apparatus for retaining the valve seal. A shearing ... | 04/22/2003 |
| 6341530 | Apparatus and method for shear testing bonds of electrical connections A device is described for testing the force to shear a deposit of solder or gold from a substrate, these deposits having a diameter in the range 50-100 μm and being for the bonding of electrical conductors. A shear tool has a semi-cylindrical cavity whic... | 01/29/2002 |
| 6334566 | Device and method for clamping and wire-bonding the leads of a lead frame one set at a time A wire-bonding machine includes a heat block for supporting a lead frame during wire-bonding. A clamp mechanism in the machine clamps leads of the lead frame during wire-bonding by fixedly holding sets of the leads against the heat block one set at a time... | 01/01/2002 |
| 6324916 | Testing shear bond strength The present invention provides an apparatus and a method to apply a load to an adherend, which is bonded to a substrate, to allow an accurate measurement of the bond between an adherend and substrate. The strength of the bond is tested by shearing the adh... | 12/04/2001 |
| 6308579 | Apparatus and methods for forming a bond strength adherend Apparatus and methods for forming an adherend and bonding the adherend to a test piece. A bonding and molding platform is used to form a cylindrically shaped adherend that is bonded to the test piece. The bonding and molding platform limits the bond site ... | 10/30/2001 |
| 6070473 | Method for measuring adhesion strength of resin material A method for measuring an adhesion strength of a resin material which is capable of accurately and readily measuring a universal adhesion strength independent of dimensions and shapes of specimen. A delamination portion is partially formed between a resin... | 06/06/2000 |
| 6014900 | Z-axis resistor test system A test system for performing a test of strain gauge resistors used on a pointing stick. The test system has a mechanical load applicator that holds the resistor and applies a mechanical force to the resistor. An electrical contactor makes and breaks an el... | 01/18/2000 |
| 5911165 | Method and device for mechanical testing of fibrin glue strength An improved method and device for measuring the mechanical properties of fibrin clots. A mixture of fibrinogen and thrombin is formed between two synthetic polymeric substrate materials and allowed to form a fibrin clot. The force required to separate the... | 06/08/1999 |
| 5889210 | Apparatus for detecting semiconductor bonding defects A bonding defect detecting apparatus is provided for operation in conjunction with an ultrasonic wire bonder using an ultrasonic oscillator driven by a signal. The apparatus has A/D converters for digitally converting a signal waveform of the signal by re... | 03/30/1999 |
| 5767414 | Automatically aligning tool for uniformly applying a controlled force to an object An apparatus for applying a uniform load to an object includes a load application element supported to be rotatable about a first axis and movable relative to the object along a second axis to obtain an initial contact sufficient to cause any needed rotat... | 06/16/1998 |
| 5753823 | Rubber substrate shear lap-joint testing fixture A back-to-back, single lap-joint test fixture and method provides for uniform shear strength determination in a lap-joint area at an adhesive bond plane between a low-modulus rubber-like elastic material substrate and a stiff panel both defining a single ... | 05/19/1998 |
| 5705752 | Rubber substrate shear lap-joint testing fixture and method A back-to-back, single lap-joint test fixture and method provides for uniform shear strength determination in a lap-joint area at an adhesive bond plane between a low-modulus rubber-like elastic material substrate and a stiff panel both defining a single ... | 01/06/1998 |
| 5698790 | Method for measuring adhesion strength of resin material A method for measuring an adhesion strength of a resin material which is capable of accurately and readily measuring a universal adhesion strength independent of dimensions and shapes of specimen. A delamination portion is partially formed between a resin... | 12/16/1997 |
| 5691482 | Adhesive shear strength test apparatus An apparatus for testing adhesive shear strength having a cylindrical adhve bond between test specimens which is subjected to pure shear. The test specimens are two cylindrical rods. One rod has a bore and counterbore reamed into one end along its longit... | 11/25/1997 |
| 5651284 | Strain gage method for measuring thrust and torque on valve stems that does not require calibrations against a known thrust and torque A method for detecting the integrity of a bond between strain gages and the circumferential surface of a rod having an intended use comprises bonding at least four strain gages to the surface of the rod in a predetermined orientation, each of the strain g... | 07/29/1997 |
| 5559329 | Scanning electron microscope fiber push-out apparatus and method The application discloses an apparatus for measuring interfacial properties of a fiber-matrix composite material, such as a ceramic-matrix, metal-matrix or continuous fiber metal-matrix composite; or a support material, such as a fiber-optic fiber support... | 09/24/1996 |
| 5537884 | Method for measuring adhesion strength of resin material A method for measuring an adhesion strength of a resin material which is capable of accurately and readily measuring a universal adhesion strength independent of dimensions and shapes of specimen. A delamination portion is partially formed between a resin... | 07/23/1996 |
| 5531101 | Package testing A package is conveyed to a test station where a friction roller is pressed against the package and urged to rotate relative to the package. The amount of rotation urgeable for a preset torque is indicative of package seal quality. This rotation is automat... | 07/02/1996 |
| 5361641 | Apparatus for performing high-temperature fiber push-out testing The apparatus disclosed in the present invention measures the force at which a fiber resist the motion of an indenter driven at constant speed. This apparatus conducts these test in a vacuum of about 10-6 tort and at temperatures up to 1100° C... | 11/08/1994 |
| 5359899 | Method for measuring adhesion strength of resin material A method for measuring an adhesion strength of a resin material which is capable of accurately and readily measuring a universal adhesion strength independent of dimensions and shapes of specimen. A delamination portion is partially formed between a resin... | 11/01/1994 |
| 5289723 | Antisymmetric grain support test device and methods A testing apparatus and methods for use with a tensile testing machine for simulating thermal, acceleration, and ignition pressurization loads upon a grain support system of a solid rocket motor during ignition. The apparatus includes a pair of antisymmet... | 03/01/1994 |
| 5176028 | Device for testing adhesive bonds An adhesive is applied to overlapping portions of a two-part test sample located between opposing press heads of the bond testing device. The press heads then press together the overlapping portions for a specific period of time while heating the test sam... | 01/05/1993 |
| 5033309 | Apparatus for measuring shear stress and strain characteristics of adhesives An apparatus and method of measuring the stress and strain characteristics of adhesives under uniform shear conditions. An Iosipescu sample (10) is used, in which at the shear line, the sample is joined by the adhesive to be tested. Pure shear is applied ... | 07/23/1991 |
| 4995262 | Tile shear testing apparatus and method A tile shear testing apparatus and method is disclosed with a unit having a frame comprising a reaction head and an end plate secured together by a plurality of alignment rods. A movable head is positioned between the end plate and reaction head and is sl... | 02/26/1991 |
| 4993268 | Method of testing a honeycomb joining pin against seating failures The test method employed uses a cylindrical solid aluminum pin having a first stem portion and a threaded second portion separated by a middle necked down portion. The test pin threaded portion is inserted into a flowable adhesive such as an epoxy inside ... | 02/19/1991 |
| 4957004 | Testing apparatus Modified apparatus for testing the adhesive strength of the bond between the liner and medium in corrugated paperboard in which a clamp is used having a plate 24 abutting one liner and fingers or prongs 21 holding the medium and liner against the plate 24... | 09/18/1990 |
| 4914965 | Crack shear displacement gage A crack shear displacement gage for use in determining the critical load of a composite laminate by providing the laminate with a crack at one end, applying a load to near the center of the laminate, and measuring the shift in the longitudinal direction b... | 04/10/1990 |
