G01R31/308

INSPECTION METHOD AND INSPECTION SYSTEM
20220034959 · 2022-02-03 ·

An inspection method includes a step S20 of electrically connecting electrical signal terminals of a semiconductor device to electric connectors, and optically connecting optical signal terminals of the semiconductor device to optical connectors, a step S30 of measuring a test light output signal output from a monitoring element provided in an inspection object in response to a test input signal having been input to the monitoring element while adjusting conditions of a position and an inclination of the inspection object, and extracting conditions in which an optical intensity of the test light output signal is a predetermined determination value or greater as inspection conditions, and a step S40 of inspecting the semiconductor device under the inspection conditions.

Analysis device and image generation method
11428712 · 2022-08-30 · ·

An analysis device analyzes inspection results of an inspection object which includes inspection target devices having respective electrodes on which needle marks are formed. The analysis device includes a display part for displaying an image, and an image generation part for generating an image to be displayed on the display part. The image generation part generates an analysis image based on information on inspection results with respect to the needle marks. The analysis image includes a needle mark scatter plot image showing positions of the needle marks with respect to the electrodes in each inspection target device in an overlapped manner, an inspection object map image showing a surface of the inspection object and showing needle mark inspection results with respect to the inspection target devices, and a captured image of the electrodes. Display contents of the images are linked with each other.

TEST SYSTEM

A test system for testing a device having a plurality of electrical contacts. The test system comprising: a device table operable to hold at least one device under test, a probe comprising at least one probe end for contacting electrical contacts of a device under test, a movement mechanism operable to move one or both of the device table and the probe so as to bring the at least one probe end into contact with at least one electrical contact of a device under test, and a profile determining system configured to determine a profile of the electrical contacts of a device under test.

TEST SYSTEM

A test system for testing a device having a plurality of electrical contacts. The test system comprising: a device table operable to hold at least one device under test, a probe comprising at least one probe end for contacting electrical contacts of a device under test, a movement mechanism operable to move one or both of the device table and the probe so as to bring the at least one probe end into contact with at least one electrical contact of a device under test, and a profile determining system configured to determine a profile of the electrical contacts of a device under test.

Optical characteristics measuring device and optical characteristics measuring method
11209374 · 2021-12-28 · ·

An optical characteristics measuring device includes a first light source capable of irradiating a sample with light and a second light source capable of irradiating the sample with microwaves. A measuring device measures microwave power of the reflection of the microwaves from the sample. A calculation unit calculates a parameter relating to the electrical conductivity of the sample using the microwave power of the reflected waves measured by the measuring device. A control unit controls the intensity of the light of the first light source so that the parameter becomes approximately a predetermined value. The calculation unit specifies first to n-th intensities of the light at which the parameter becomes approximately the predetermined value for each of the first to n-th wavelengths of the light and obtains relationships between the first to n-th wavelengths and the first to n-th intensities corresponding to the respective first to n-th wavelengths.

Methods for maintaining gap spacing between an optical probe of a probe system and an optical device of a device under test, and probe systems that perform the methods
11204383 · 2021-12-21 · ·

Methods for maintaining gap spacing between an optical probe of a probe system and an optical device of a device under test and probe systems that perform the methods. The methods include determining a desired relative orientation between the optical probe and the DUT and optically testing the optical device with the optical probe. The methods also include maintaining the desired relative orientation during the optically testing. The maintaining includes repeatedly and sequentially collecting an existing DUT image of a DUT reference structure of the DUT and an existing probe image of a probe reference structure of the optical probe, determining a probe-DUT offset between an existing relative orientation between the optical probe and the DUT and the desired relative orientation, and adjusting the relative orientation to return the optical probe and the DUT to the desired relative orientation.

INSPECTION APPARATUS AND INSPECTION METHOD
20210389366 · 2021-12-16 ·

In an inspection apparatus for inspecting an inspection target device formed on an inspection object, the inspection target device is a back-illuminated imaging device into which light is incident from a rear surface opposite to a side of a wiring layer. The inspection apparatus includes a stage having the inspection object placed such that the inspection object faces the rear surface. The stage includes a light transmitter made of a light-transmissive material. The inspection object is placed on the light transmitter below which a light illuminator is disposed. The light illuminator includes a flat light guide plate having a facing surface facing the inspection object. A light source is provided laterally outside the light guide plate configured to diffuse light emitted from the light source incident from a side end surface of the light guide plate, and to emit the light as planar light from the facing surface.

INSPECTION APPARATUS AND INSPECTION METHOD
20210382105 · 2021-12-09 ·

An inspection apparatus for inspecting a backside irradiation type imaging device formed on an inspection object includes: a stage on which the inspection object is mounted such that the stage faces a rear surface of the backside irradiation type imaging device, wherein the stage includes: a transmitter including a flat plate formed of a light transmitting material, and configured to mount the inspection object on the transmitter; and a light emitter disposed at a location facing the inspection object with the transmitter interposed between the light emitter and the inspection object, and configured to emit light toward the transmitter, and wherein the transmitter transmits the light from the light emitter while diffusing the light.

INSPECTION APPARATUS AND INSPECTION METHOD
20210382105 · 2021-12-09 ·

An inspection apparatus for inspecting a backside irradiation type imaging device formed on an inspection object includes: a stage on which the inspection object is mounted such that the stage faces a rear surface of the backside irradiation type imaging device, wherein the stage includes: a transmitter including a flat plate formed of a light transmitting material, and configured to mount the inspection object on the transmitter; and a light emitter disposed at a location facing the inspection object with the transmitter interposed between the light emitter and the inspection object, and configured to emit light toward the transmitter, and wherein the transmitter transmits the light from the light emitter while diffusing the light.

ANALYSIS METHOD, ANALYSIS DEVICE, ANALYSIS PROGRAM, AND RECORDING MEDIUM FOR RECORDING ANALYSIS PROGRAM
20210373071 · 2021-12-02 · ·

An inspection apparatus includes a light sensor that detects light from a semiconductor device to which an electric signal has been input, an optical system that guides light from the semiconductor device to the light sensor, and a control device electrically connected to the light sensor. The control device includes a measurement unit that acquires waveform data obtained by optical measurement for each of a plurality of positions on a defective semiconductor device and waveform data obtained by the optical measurement for each of a plurality of positions on a non-defective semiconductor device, a calculation unit that calculates a degree of correspondence between the waveform data of the defective semiconductor device and the waveform data of the non-defective semiconductor device, and an analysis unit that analyzes a defective part of the defective semiconductor device on the basis of the degree of correspondence for each of the plurality of positions.