Abstract: An image sensor and a manufacturing method thereof are provided. The image sensor includes: a photo diode; a first-conductive-type isolating layer; a second-conductive-type lightly-doped region formed in the first-conductive-type semiconductor substrate; a first-conductive-type lightly-doped region formed under the second-conductive-type lightly-doped region, where the second-conductive-type lightly-doped region is isolated from the second-conductive-type region by the first-conductive-type lightly-doped region; a gate structure of a transfer transistor; and a floating diffusion region which is second-conductive-type heavily-doped.

Abstract: A backside illumination image sensor and a method for reducing a dark current of the backside illumination image sensor. The backside illumination image sensor comprises: a photodiode, a first conductive type isolated layer (120); a gate structure of a pass transistor, corresponding to the first conductive type isolated layer (120) and formed on an upper surface of a first conductive type semiconductor substrate (100), the gate structure (130) comprising: gate oxide (131), a gate layer (132), and a gate sidewall (133), and the gate structure (130) correspondingly covering the photodiode; and a floating diffusion zone (140), formed in the first conductive type semiconductor substrate (100) and having second conductive type heavy doping. In the backside illumination image sensor, a defect does not easily appear on a surface, right above the photodiode, of the first conductive type semiconductor substrate (100), so that a dark current is effectively prevented from being produced.

Abstract: The present disclosure relates to a method for detecting focus plane based on Hartmann wavefront detection principle, the function of which is to detect the position of a silicon wafer in a photolithograph machine in real time so as to accomplish adjustment of the leveling and focus of the silicon wafer. By utilizing microlens array to detect the wavefront carrying information about the position of the silicon wafer based on the Hartmann wavefront detection principle, the spherical wavefront is divided by the respective subunits of the microlens array and is imaged on the respective focus planes of the subunits.

Abstract: The present disclosure provides a control method for a camera module. The camera module comprises an imaging module, a sleeve module, a lens module which is mounted in the sleeve module and can move along an optical axis direction relative to the sleeve module, at least one coil, at least one magnetic component, and elastic components disposed between the lens module and the sleeve module.

Abstract: The present invention relates to a backside illuminated image sensor and a manufacturing method therefor. The backside illuminated image sensor comprises: a silicon wafer layer, which comprises a photodiode for generating an electrical signal by sensing light, wherein the silicon wafer layer is provided with a front surface and a back surface; a rear-end layer, which is provided on the front surface of the silicon wafer layer, wherein the rear-end layer comprises a transistor gate, a gate oxide layer, a wire layer and a dielectric layer; a light incidence layer, which comprises a micro-lens layer and a light filtering film layer, wherein the light incidence layer is provided on the back surface of the silicon wafer layer; and the rear-end layer further comprises: a light-absorbing layer, which is provided in a pre-set position of the rear-end layer, wherein the light-absorbing layer is used for absorbing a light ray transmitted from the silicon wafer layer.

Abstract: The present disclosure relates to a method for detecting focal plane based on a grating Talbot effect, the function of which is to detect position of a silicon wafer in a photolithography machine in real time so as to implement an adjustment of leveling and foal plane of the silicon wafer in a high resolution. The detection system utilizes a phase change of “self-image” generated by a grating Talbot effect caused by defocusing of the silicon wafer, so as to accomplish the detecting for focal plane of the silicon wafer in the photolithography machine in a high resolution: if the silicon wafer is at a focal plane, the imaged wavefront by the grating is a planar wavefront; and when the silicon wafer is defocused, the imaged wavefront is a spherical wavefront. Such a detection system has a simple structure, a higher anti-interference capability and a perfect adaption of the process.

Abstract: The present disclosure relates to a method for detecting focus plane based on Hartmann wavefront detection principle, the function of which is to detect the position of a silicon wafer in a photolithograph machine in real time so as to accomplish adjustment of the leveling and focus of the silicon wafer. By utilizing microlens array to detect the wavefront carrying information about the position of the silicon wafer based on the Hartmann wavefront detection principle, the spherical wavefront is divided by the respective subunits of the microlens array and is imaged on the respective focus planes of the subunits.

Abstract: A dynamic random access memory (DRAM) and a production method, a semiconductor packaging component and a packaging method. The production method comprises: providing a memory wafer, the memory wafer being provided with a memory bare chip which is provided with a top metal layer which is provided with a power source bonding pad, a signal bonding pad, and a micro bonding pad, and an internal bus led out of the memory bare chip being electrically connected to the micro bonding pad; repairing the memory wafer; if a yield of the memory wafer is greater than or equal to a preset threshold, rearranging the micro bonding pad to form a butt-joint bonding pad which is electrically connected to the micro bonding pad and the power source bonding pad. A structure of the DRAM is not significantly changed, a data bandwidth of the DRAM is increased, and a high yield is ensured.

Abstract: An image sensor and a manufacturing method thereof are provided. The image sensor includes: a photo diode; a first-conductive-type isolating layer; a second-conductive-type lightly-doped region formed in the first-conductive-type semiconductor substrate; a first-conductive-type lightly-doped region formed under the second-conductive-type lightly-doped region, where the second-conductive-type lightly-doped region is isolated from the second-conductive-type region by the first-conductive-type lightly-doped region; a gate structure of a transfer transistor; and a floating diffusion region which is second-conductive-type heavily-doped.

Abstract: A dynamic random access memory (DRAM) and a production method, a semiconductor packaging component and a packaging method. The production method of the DRAM comprises: providing a memory wafer, the memory wafer being provided with a memory bare chip, and the memory bare chip being provided with a top metal layer, the top metal layer being provided with a power source bonding pad, a signal bonding pad, and a micro bonding pad, and an internal bus led out of the memory bare chip being electrically connected to the micro bonding pad; repairing the memory wafer; if a yield of the memory wafer is greater than or equal to a preset threshold, rearranging the micro bonding pad to form a butt joint bonding pad, the butt joint bonding pad being electrically connected to the micro bonding pad and the power source bonding pad.

Abstract: The invention relates to an image sensor and a payment authentication method. The image sensor includes: a sensing module configured to optically sense an image and to convert an optical signal of the image into an image signal; and an encryption module configured to encrypt the image signal and to output the encrypted image signal. The payment authentication method includes the steps of: converting an individual image into an image signal by an image sensor, wherein the image sensor includes a sensing module configured to optically sense an image and to convert an optical signal of the image into an image signal and an encryption module configured to encrypt the image signal; encrypting the image signal by the image sensor; and transmitting the image signal processed in the preceding step. With the image sensor and the payment authentication method of the invention, the security of mobile and remote payment may be greatly improved.

Abstract: The invention discloses an image sensor (100) and a method of fabricating the image sensor. The image sensor (100) includes: a substrate (101) with a metal interconnection layer (102) formed on a first side thereof; a first type of doped area (103) located in the substrate (101); a second type of doped area (105) located in the substrate (101) adjacent to the first type of doped area (103) to form a photoelectric diode; an electrode layer (107) located on a second side of the substrate (101), wherein the electrode layer (107) is light-transmissive; and an insulation layer (109) located between the electrode layer (107) and the substrate (101); wherein there is a predetermined potential difference between the electrode layer (107) and the substrate (101) such that a second type of conductive layer (111) is generated on the surface of the second side of the substrate (101).

Abstract: The invention relates to a method and apparatus for sending an information code via an audio signal and retrieving an information code. The method of sending an information code via an audio signal includes the steps of: modulating the information code and a sync header into the audio signal in a second band; and transmitting the modulated audio signal in the second band directly, or superimposing and then transmitting the modulated audio signal in the second band with an audio signal in a first band, wherein the first band is different from the second band.

Abstract: Disclosed is a focus detection apparatus for a projection lithography system. The apparatus includes: a laser; a focus optical unit configured to focusing the emitted laser beam; a force detection unit configured to reflect the focused laser beam at the backside; a position detection unit configured to detect variations in position of a light spot formed by the reflected laser beam, and output a strength signal indicating the strength of the interaction force between the force detection unit and the object; a differential amplifier configured to output a Z-direction differential signal based on the strength signal and a reference signal; a Z-direction feedback control unit configured to perform feedback control; and a scan signal generator configured to output a signal for controlling the movement of the stage in the XY plane. The focus detection apparatus has high precision, efficiency and process applicability.

Abstract: Disclosed is a focus detection apparatus for a projection lithography system. The apparatus comprises: a laser; a focus optical unit configured to focusing the emitted laser beam; a force detection unit configured to reflect the focused laser beam at the backside; a position detection unit configured to detect variations in position of a light spot formed by the reflected laser beam, and output a strength signal indicating the strength of the interaction force between the force detection unit and the object; a differential amplifier configured to output a Z-direction differential signal based on the strength signal and a reference signal; a Z-direction feedback control unit configured to perform feedback control; and a scan signal generator configured to output a signal for controlling the movement of the stage in the XY plane. The focus detection apparatus has high precision, efficiency and process applicability.

Abstract: A customizing equipment for individualized contact lenses comprises an uniform illumination system, a gray image generation system, a projection optical system, a stage system and an alignment system, among which the uniform illumination system generates uniform parallel illuminative light, which generates gray images through the gray image generator controlled by a computer after going through the gray image generation system according to detection results of aberration of human eyes, and images on the image plane of given radius of curvature with photoresist on the samples' surface, which is fixed on the stage system and adjusted to the correct position through the alignment system, after the gray images are zoomed and the curvature of the image field is corrected through the projection optical system, so that the photoresist on the samples' surface will be exposed according to the gray levels of the gray images, after which the exposed samples are developed and etched to obtain the device with continuous e

Abstract: A phase detector includes a decimator to decimate a digitized in-phase signal and a digitized quadrature signal to N times a symbol rate, where N is an integer greater than one. A burst detector to detect bursts in an output of the decimator. A carrier offset block to determine an offset angle based on an output of the burst detector. A rotator to generate a rotated signal by rotating the output of the decimator based on the offset angle determined by the carrier offset block. An equalizer to perform coherent demodulation of the rotated signal.

Abstract: To solve the defect of the present image sensor used for obtaining both visible information and information indicating variation, such as low frame rate and being not applicable for portable apparatus, the present invention proposed an image sensor, operating method and usage thereof. The image sensor comprises an optoelectronic array, configured to convert optical signals of a first image and reference images at different moments into electronic signals, and the resolution of the optoelectronic array satisfying the requirement of visualization; a first module, configured to read the electronic signals of said first image by way of sampling, to read the electronic signals of each of said reference images by way of sampling, and to obtain the information indicating variation of the first image with respect to the reference images; and a second module, configured to read at least part of the electronic signals of one or more images, and to obtain at least part of visible information of the one or more images.

Abstract: A phase detector includes a decimator to decimate a digitized in-phase signal and a digitized quadrature signal to N times a symbol rate, where N is an integer greater than one. A burst detector to detect bursts in an output of the decimator. A carrier offset block to determine an offset angle based on an output of the burst detector. A rotator to generate a rotated signal by rotating the output of the decimator based on the offset angle determined by the carrier offset block. An equalizer to perform coherent demodulation of the rotated signal.

Abstract: A limiter based analog demodulator includes a power amplifier receiving a base-band signal and a local clock operating at the base-band frequency. A first multiplier receives an output from the power amplifier and the local clock to provide an in phase signal. A quadrature phase shifter receives the local clock and a second multiplier receives the output from the power amplifier and an output from the phase shifter to provide a quadrature signal. Analog filters receive the in phase and quadrature signals and analog to digital converters connected to the analog filters provide digitized in phase and quadrature signals. The phase detector then receives the digitized in phase and quadrature signals.