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76 results about "Package testing" patented technology

Package testing or packaging testing involves the measurement of a characteristic or property involved with packaging. This includes packaging materials, packaging components, primary packages, shipping containers, and unit loads, as well as the associated processes.

Post-packaging test equipment for plastic package surface mounted devices diode

The invention discloses post-packaging test equipment for a plastic package surface mounted devices diode (SMD) diode, which relates to the technical field of semiconductor packaging test, and aims to solve the technical problems in improving the packaging test efficiency and the test quality. The equipment comprises a main base, a feeding device, a suction device and a monitoring system, wherein the suction device comprises a main supporting rotating drum, a main rotating disc, a lifting rod and a lifting disc; the main supporting rotating drum and the main rotating disc form a rotating tower structure; a plurality of suction nozzles are arranged in a circle around the axle center on the main rotating disc; the lifting disc is arranged above the main rotating disc and is fixedly connected with each suction nozzle; the upper end of the lifting rod is connected with the lifting disc through a shaft, the rod body of the lifting rod passes through the main supporting rotating drum and is coaxial with the main supporting rotating drum; and a positioning device, a polar rotating device, a test device, a material lowering device, a marking device and a packaging device are arranged right below each suction nozzle along the rotation direction of the main rotating disc respectively. The equipment provided by the invention can improve the post-packaging test efficiency of the SMD diode.
Owner:上海骏图电子科技有限公司

Chip package testing device and lead frame used thereby

Disclosed are a chip package testing device and a lead frame used thereby. The device comprises a test processing unit, a contactor bracket and a plurality of contactor units. The lead frame is fixedly arranged on the contactor bracket. Each contactor unit is provided with a probe array composed of a plurality of contact probes, the spacing size of the contactor probes is transversely and longitudinally matched with the spacing size of pins of packaged chips on the lead frame, the contact probes are arranged on the contactor bracket in a platform contact method and are electrically connected with the pins of the packaged chips, and the number of the packaged chips is an integral multiple of the number of the contact probes contained in the contact probe arrays. An injection-molding rubber channel on the lead frame includes a plurality of capsule-shaped slots, wherein a connection gap between every two capsule-shaped slots is located in the position of one chip pin, the capsule-shaped slots are located in the end parts of the chips and are in one-to-one correspondence with the chips, and the injection-molding rubber channel is located on the upper surface of the lead frame. According to the invention, the efficiency of parallel test is improved, and the utilization rate of the lead frame and mold sealing materials is improved.
Owner:SHENZHEN STS MICROELECTRONICS

Method for pre-screening direct-current steady state power aging in GaN-based devices

ActiveCN102955112ADC Steady State Power Aging RealizationDC steady-state power aging for pre-screening implementationRadiation pyrometryIndividual semiconductor device testingPackage testingJunction temperature
The invention discloses a method for pre-screening direct-current steady state power aging in GaN-based devices. The method includes: subjecting a GaN-based device to be tested to package testing so as to determine direct-current steady state power of the GaN-based device; measuring junction temperature of the device by an infrared microscopic thermographer, subjecting the measured junction temperature to mathematical fitting to obtain relation of the tested GaN-based device between peak junction temperature and the direct-current steady state power, and determining conditions for direct-current steady state power aging of the tested GaN-based device; subjecting the tested GaN-based device to direct-current steady state power aging to obtain time-based changing curves of characteristic parameters of the tested GaN-based device; determining level-off threshold time of the characteristic parameters of the device according to the time-based changing curves of the characteristic parameters of the GaN-based device, and determining the time of the device for direct-current steady state power aging; subjecting the tested GaN-based devices to aging screening to remove the devices with the characteristic parameters less easily stabilizing in the threshold time, and completing pre-screening of direct-current steady state power aging in the GaN-based devices.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Box falling test device

The invention discloses a box falling test device being suitable for packaging testing of a product packaged in a box body. The test device comprises a carrying platform, a driving mechanism, a pick-and-place mechanism, a test ground, a test ground conversion mechanism and a controller. The controller is connected with the driving mechanism, the pick-and-place mechanism, and the test ground conversion mechanism electrically. A plurality of impact zones with different hardness values are formed on the test ground. The test ground conversion mechanism and the test ground are connected to drive the test ground to carry out conversion among a plurality of impact zones. The driving mechanism and the pick-and-place mechanism are connected to drive the pick-and-place mechanism to move and rotate.The moving pick-and-place mechanism captures the box body and enables the box body to fall on the test ground at different heights; and the rotating pick-and-place mechanism drives the box body to rotate and thus the box body falls at different angles. According to the invention, falling testing of products at different heights and different impact positions and on different hardness grounds of products in the box body can be completed automatically; and the device has advantages of simple structure, high test efficiency and accurate detection.
Owner:CHINA BAMBINO PREZIOSO CO LTD

Integrated circuit testing circuit structure capable of realizing single-port multifunctional multiplexing

The invention relates to an integrated circuit testing circuit structure capable of realizing single-port multifunctional multiplexing. The circuit structure includes a port conversion module, a test state determination module, and a clock data separation module; the port conversion module converts the port between the input state and the output state, discriminates the input data and output data, realizes the data exchange between a test machine and a test circuit; the port conversion module is connected with an internal circuit and the test machine, the test state determination module determines whether an input signal determination circuit enters into the test state, the test state determination module is connected with the clock data separation module, the port conversion module and the internal circuit, the clock data separation module separates the input data into a clock signal and a data signal and transmits the input data to the internal circuit, and the clock data separation module is connected with the port conversion module and the internal circuit. By means of such a circuit structure, only one present port can realize the wafer testing and packaged testing of an integrated circuit, so that the circuit structure is wide in application.
Owner:CRM ICBG (WUXI) CO LTD

Protection ring for preventing short circuit of test structure, and manufacturing method and package testing method thereof

The invention provides a protection ring for preventing short circuit of a test structure, and a manufacturing method and a package testing method thereof. The protection ring comprises a separating structure, three upper medium layers and a plurality of metal pads, wherein the separating structure comprises a plurality of the same interconnection layers which are sequentially connected layer by layer from the bottom up; a metal-strip-like enclosing structure is arranged in each interconnection layer; the metal-strip-like enclosing structure is formed by grooving a low-K medium layer and filling grooves with metal; the three upper medium layers are formed in the separating structure; windows are formed in the three upper medium layers; the metal pads are formed in the low-K medium layers enclosed by the metal-strip-like enclosing structures; each window corresponds to a metal pad, thus preventing the performance worsening problem of the test structure caused by water entering the test structure in the slice packaging process or other operating process, and avoiding the short circuit problem of the test structure caused by contact of a metal ball connecting ball and the protection ring because a part of the metal ball connecting ball is outside the metal pad due to too small metal pads or operating errors.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP

Chip packaging and testing device and lead frame used therefor

Disclosed are a chip package testing device and a lead frame used thereby. The device comprises a test processing unit, a contactor bracket and a plurality of contactor units. The lead frame is fixedly arranged on the contactor bracket. Each contactor unit is provided with a probe array composed of a plurality of contact probes, the spacing size of the contactor probes is transversely and longitudinally matched with the spacing size of pins of packaged chips on the lead frame, the contact probes are arranged on the contactor bracket in a platform contact method and are electrically connected with the pins of the packaged chips, and the number of the packaged chips is an integral multiple of the number of the contact probes contained in the contact probe arrays. An injection-molding rubber channel on the lead frame includes a plurality of capsule-shaped slots, wherein a connection gap between every two capsule-shaped slots is located in the position of one chip pin, the capsule-shaped slots are located in the end parts of the chips and are in one-to-one correspondence with the chips, and the injection-molding rubber channel is located on the upper surface of the lead frame. According to the invention, the efficiency of parallel test is improved, and the utilization rate of the lead frame and mold sealing materials is improved.
Owner:SHENZHEN STS MICROELECTRONICS CO LTD

Inductor package testing method based on inductor package testing equipment

The invention discloses an inductor package testing method based on inductor package testing equipment. The equipment comprises a rack, an electrical cabinet, a packaging mechanism, a CCD detecting mechanism, a testing mechanism and a disc containing mechanism, the electrical cabinet is arranged on one side of the rack, and an operation panel is arranged on the surface of the top of the rack; thepackaging mechanism and the CCD detecting mechanism are fixed to an installing panel of the rack through bolts at the bottom of a conveying support; the testing mechanism comprises a correction mechanism, a removing mechanism and a rotary disc mechanism, and the testing mechanism is welded to the surface of the panel of the rack through a flat plate; and the disc containing mechanism is fixed to the surface of the installing panel of the rack through a supporting rod. By means of the rotary disc mechanism, the effect of improving the layout rationality of the equipment is achieved, and the function of reasonably distributing the space is achieved; by means of the correction mechanism, the effect of improving the product transporting orderliness is achieved, and the function of correcting products on a transporting line is achieved; and inductors are sucked by a sucking nozzle to the middle portion of four symmetrical clamping blocks and are clamped through clamping device, and the problem that the yield is low is solved.
Owner:江滨

Integrated circuit package testing device for continuous testing

The invention discloses an integrated circuit package testing device for continuous testing, being characterized in that a pair of front and rear stop blocks which are symmetrically arranged front andback are formed on each of the left and right side walls of a testing groove; the pair of front-back stop blocks on the left side and the pair of front-back stop blocks on the right side are connected into a whole through a partition plate; the continuous testing device comprises a rectangular frame-shaped test bracket; front and rear side walls of the test bracket are positioned on front and rear sides of the pair of front-back stop blocks and the partition plate; upper and lower side walls are respectively positioned on upper and lower sides of the pair of front-back stop blocks and the partition plate; the test bracket is arranged between the front and rear side walls of the testing groove in a left-right reciprocating manner; a test support plate is arranged on the upper end surface of the lower side wall of the test bracket in a lifting manner; a plurality of uniformly distributed probes are formed on the upper end surface of the test support plate; and lower support plates are rotationally arranged between the partition plate and the left and right side walls of the test groove respectively. The integrated circuit package testing device for continuous testing can complete continuous testing of integrated circuit packaging through left-right reciprocating motion of the test support, and is high in the testing efficiency.
Owner:深圳市创芯在线检测服务有限公司

Single-chip microcomputer open-circuit and electric leakage tester

InactiveCN109932635AWith open short circuit testFunctionalElectronic circuit testingMicrocontrollerMicrocomputer
The invention provides a single-chip microcomputer open-circuit and electric leakage tester and belongs to the field of integrated circuit package testing technologies. The single-chip microcomputer open-circuit and electric leakage tester comprises a power source unit, a main control unit, a DA conversion unit, a mode switching unit, a test unit and an AD conversion unit; the input end of the main control unit is connected with the power source unit; the output end of the main control unit is connected with the DA conversion unit; the input end of the mode switching unit is connected with theoutput end of the main control unit; the output end of the mode switching unit is connected with the input end of the DA conversion unit; the output end of the DA conversion unit is connected with the input end of the test unit; the output end of the test unit is connected with the input end of the AD conversion unit; and the output end of the AD conversion unit is connected with the input end ofthe main control unit. With the single-chip microcomputer open-circuit electric leakage tester has an open short-circuit test and electric leakage test function. With the single-chip microcomputer open-circuit and electric leakage tester adopted, an open short-circuit test and an electric leakage test can be completed quickly and efficiently, and thus, the rapid detection of possible electrical and physical defects in a package product can be achieved.
Owner:SHAOXING UNIVERSITY
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