36results about How to "Increased focus range" patented technology

There is provided a positive type resist composition formed by dissolving (A) a resin component with a unit derived from a (meth)acrylate ester in the principal chain, for which the solubility in alkali increases under the action of acid, and (B) an acid generator component which generates acid on exposure, in an organic solvent component (C), wherein the resin component (A) is a copolymer comprising (a1) a unit derived from a (meth)acrylate ester comprising an acid dissociable, dissolution inhibiting group containing a polycyclic group, (a2) a unit derived from a (meth)acrylate ester comprising a lactone containing monocyclic group or polycyclic group, (a3) a unit derived from a (meth)acrylate ester comprising a hydroxyl group containing polycyclic group, and (a4) a unit derived from a (meth)acrylate ester comprising a polycyclic group which is different from the unit (a1), the unit (a2) and the unit (a3). This composition provides a chemically amplified positive type resist composition which displays excellent resolution, enables the depth of focus range of an isolated resist pattern to be improved, and enables the proximity effect to be suppressed.

A high-bandwidth SPM tip scanner is provided that additionally includes an objective that is vertically movable within the scan head to increase the depth of focus for the sensing light beam. Movable optics also are preferably provided to permit targeting of the sensing light beam on the SPM's probe and to permit the sensing light beam to track the probe during scanning. The targeting and tracking permit the impingement of a small sensing light beam spot on the probe under direct visual inspection of focused illumination beam of an optical microscope integrated into the SPM and, as a result, permits the use of a relatively small cantilever with a commensurately small resonant frequency. A high-bandwidth tip scanner constructed in this fashion has a fundamental resonant frequency greater than greater than 500 Hz and a sensing light beam spot minor diameter of less than 10 μm. Images can be scanned on large samples having a largest dimension exceeding 7 mm with a resolution of less than 1 Angstrom and while scanning at rates exceeding 30 Hz.

A software program for evaluating and enhancing at least one user cognitive skill, the program including an animation module for displaying at least one first display that includes at least one first object having a first cognitively recognizable changing property of movement and at least one second cognitively recognizable changing property, a response module that receives input from a user signaling device that signals user recognition of the changing, an evaluation module that evaluates the user response based upon at least one evaluation parameter, and an evaluation appraisal module that generates an evaluation display based upon the evaluation.

A concave-convex surface inspection apparatus includes a slit light source unit emitting a slit light to a concave-convex surface of an object to be inspected, an image-taking unit taking an image of the concave-convex surface illuminated by the emitted slit light with an imaging optical axis intersecting with an optical axis of the slit light with a narrow-angle equal to or narrower than 30 degrees, and an evaluation section obtaining a three dimensional shape of the concave-convex surface and evaluating the obtained three dimensional shape, wherein the slit light source unit includes a slit light source and a cylindrical lens, the image-taking unit includes a telecentric lens unit, an image-taking section having an imaging surface tilted relative to the imaging optical axis for increasing a focusing range of the concave-convex surface, and a P polarizer.

The invention discloses a high precision lens center deviation detection instrument and a measurement method thereof. The high precision lens center deviation detection device comprises an LED irradiation source emission system, a microscope system and a detected glass bearing which are arranged on a pedestal; the LED irradiation source emission system and the detected glass bearing are in a same plane; the microscope system is arranged above the detected glass bearing; light rays emitted by a light source in a signal emission system is turned by a reflection prism and goes to detected glass after going through a cross wire and being focused by a light condensation lens, and then the light rays are imagined on a cross reticle after amplification by a microscope system and then are imagined on a CCD through an electronic ocular lens and displayed on a monitor. The high precision lens center deviation detection device and a measurement method thereof can realize measurement on center deviations of lenses with an extremely big focal length or an extremely small focal length and avoids a fact that reading is affected because the cross wire is too thick while the sensitivity is not changed. According to displacement of the cross wire after the lens is rotated for one round, the measurement on the center deviation is realized.

A lens having an extended range of focus is made of a transparent material and has two optical surfaces. The lens defines an optical axis and a focal power distribution (Ftot) which, in relation to a plane perpendicular to the optical axis, changes as a function of the radial height (r) and of the azimuth angle (phi) of the aperture between a calculated basic value of the focal power (Flens) not equal to zero and a maximum value Fspiral max (r, phi).

The invention relates to the technical field of electronic equipment, and provides a lens assembly, a camera module and electronic equipment, the lens assembly comprises a lens seat, a first lens, a liquid lens and an extrusion structure, and the first lens is arranged on the lens seat and can move along the optical axis of the lens assembly; the liquid lens is arranged on the lens seat; the extrusion structure is arranged on the lens base and used for extruding the liquid lens. According to the lens assembly, focusing of the camera module can be achieved by moving the first lens and extrudingthe liquid lens, and the miniaturization design of the camera module can be met.

The invention discloses a processing method and apparatus for macro photography, and a terminal device. The method comprises: a focusing request is obtained; whether a motor stroke reaches a limiting position is determined; if so, a camera module group is controlled by a micro electro mechanical system to move so as to carry out focusing. With the method, the camera module group is controlled by the micro electro mechanical system to move so as to carry out focusing, so that the focusing range is extended and flexibility of macro photography is improved.

This invention is a linear illuminate which can increase the distinct range of its focus. It contains a guidance-light rod covered on it and a reflect-light cover tube. The light can be shoot from the rod's top; the face of the top has reflection function too. Any face of the whole rod has the reflection function. At the face of the shooting light the top has saw tooth which can advance gradually used to adjust index of reflection and refraction of the out light. The cover can mainly improve the reflection of the light and increase the brightness of the light. On the other side of the outlet of the rod, be designed a reflective plate coordinate with the design of gradually saw tooth reflective face, not only increase the brightness of the light and smoothly but also, maketto rod's light have wider range of its focus.

The embodiment of the invention provides an image acquisition method and image acquisition equipment. The image acquisition method is applied to the image acquisition equipment comprising a first chip, zoom lenses, image sensors, zoom motors and focusing motors. The number of the first chip is one. According to the image acquisition equipment with the two zoom lenses, the two zoom lenses have different zoom ranges, and an overlapped focal length range exists between the zoom ranges of the two lenses, and the two zoom lenses comprise a first short zoom lens and a second long zoom lens; the number of the image sensors is two, and the two image sensors correspond to the two zoom lenses respectively, and the two image sensors are in communication connection with the first chip; and the numberof the zooming motors is two, and the number of the focusing motors is two, and the two zooming motors and the two focusing motors are in communication connection with the first chip. Through superposition of zoom ranges of the two zoom lenses, the focal length range of the image acquisition equipment is expanded on the premise of not increasing the volume of a single lens.

Autofocus (AF) optical arrangements and assemblies including a voice coil motor (VCM) are disclosed. An example optical assembly for a focusing lens includes: a front lens group disposed along an optical axis configured to receive light from the object of interest and configured to correct for aberrations of a first image projected by the front lens group; an aperture disposed along an optical axis configured to receive light from the front lens group therethrough along the optical axis; a moveable focus lens to receive light through the aperture; a VCM configured to move the focus lens to focus the optical assembly; and a back lens group disposed along the optical axis configured to receive light from the focus lens and further configured to correct for field curvature.

Methods of forming an electronic device, comprising in sequence: (a) providing a semiconductor substrate comprising one or more layers to be patterned; (b) forming a photoresist layer over the one or more layers to be patterned, wherein the photoresist layer is formed from a composition that comprises: a matrix polymer comprising a unit having an acid labile group; a photoacid generator; and an organic solvent; (c) coating a photoresist overcoat composition over the photoresist layer, wherein the overcoat composition comprises a quenching polymer and an organic solvent, wherein the quenching polymer comprises a unit having a basic moiety effective to neutralize acid generated by the photoacid generator in a surface region of photoresist layer; (d) exposing the photoresist layer to activating radiation; (e) heating the substrate in a post-exposure bake process; and (f) developing the exposed film with an organic solvent developer. The methods have particular applicability in the semiconductor manufacturing industry.

A focus extending optical system has optical lenses and a focus extender. The optical lenses form an image of light, from an object, on an image sensor. The focus extender adjusts a wavefront so as to change a position of the image, formed by the optical lenses, in accordance with a distance from an optical axis and thereby extends a focus range. The focus extending optical system satisfies a condition that a value of a second MTF is less than or equal to three times a value of a first MTF. The first MTF is an MTF at a spatial frequency of ½ of a Nyquist frequency of the image sensor. The second MTF is an MTF at a spatial frequency of ¼ of the Nyquist frequency.

A focus extending optical system has optical lenses and a focus extender. The optical lenses form an image of light, from an object, on an image sensor. The focus extender adjusts a wavefront so as to change a position of the image, formed by the optical lenses, in accordance with a distance from an optical axis and thereby extends a focus range. The focus extending optical system satisfies a condition that a value of a second MTF is less than or equal to three times a value of a first MTF. The first MTF is an MTF at a spatial frequency of ½ of a Nyquist frequency of the image sensor. The second MTF is an MTF at a spatial frequency of ¼ of the Nyquist frequency.

The invention discloses a camera device and electronic equipment. The camera device comprises a shell, a lens module, a photosensitive chip module, a driving part and a rolling part, the photosensitive chip module is arranged in the shell, the lens module is mounted on the shell, and the lens module and the photosensitive chip module are arranged at an interval; wherein the driving part comprises a first driving part and a second driving part which are matched for use, the first driving part is arranged on the shell, the second driving part is arranged in the photosensitive chip module, and the second driving part can be driven by the first driving part to drive the photosensitive chip module to move so as to change the distance from the photosensitive chip module to the lens module; one of the photosensitive chip module and the shell is provided with a containing groove, the rolling piece is located in the containing groove and makes contact with the other one of the installation piece and the shell, and the rolling piece can roll when the photosensitive chip module moves. The driving force of the driving part can be obviously reduced, the miniaturization design of the camera device is realized, and the movement stability of the photosensitive chip module is improved.

An optical carriage structure of the inspection apparatus and its inspection method are disclosed herein. A plurality of CCD arrays configured at different heights in the optical carriage are utilized, so as a plurality of individual images can be simultaneously captured in one scanning step to obtain a preferred inspection image for image comparison; therefore, precise inspection can be effectively achieved. Furthermore, those CCD arrays are configured at different heights and have enlarged focusing ranges, and the depth of field is thus enhanced.

An information processing apparatus determines a position on an object, based on a distance between a set position and an imaging apparatus configured to capture an image of a predetermined position on an object and be used for generating a virtual viewpoint image, the set position being located on a line segment connecting the imaging apparatus and the predetermined position, and being a position of a focus point closer than the predetermined position when viewed from the imaging apparatus, and sets, for a plurality of imaging apparatuses, the determined position as a focus point of the imaging apparatus.

The invention provides a camera module and electronic equipment. The camera module comprises a lens group assembly and a photosensitive element, the lens group assembly comprises a plurality of lens groups arranged at intervals in a first direction, and the focal lengths of the plurality of lens groups are different. The lens group assembly comprises a light inlet side and a light outlet side, the photosensitive element is located on one side of the light outlet side of the lens group assembly in the second direction, the photosensitive element can move in the first direction so as to switch and receive light rays emitted from the plurality of lens groups, and the first direction is perpendicular to the second direction. According to the camera module provided by the invention, the focal length range of the camera module can be increased, so that the technical problem that the focal length range of a camera module in the prior art is narrow is solved.

The present invention relates to a phase controlled focusing device. It includes transmitter, said transmitter includes at least 10 vibration elements, every vibration element includes base, piezoelectric ceramic piece, frequency source, power device, power supply, phase shifter and frequency divider. The piezoelectric ceramic piece and frequency source are fixed on the base, said base is fixed on the transmitter, the power supply is respectively connected with the input ends of phase shifter and frequency divider, the output ends of phase shifter and frequency divider are respectively connected with input end of power device, the output end of said power device is connected with the frequency source. Besides, said invention also provides its working principle and its extensive application field.

The invention relates to the technical field of imaging systems, in particular to an automatic focusing method and system based on flight time, and the method comprises the following steps: measuringan object distance u between a laser ranging module and a target object, and transmitting object distance data to an image acquisition card; enabling the image acquisition card to estimate an initialfocal length f of the lens through interpolation operation by taking an object distance u as a setting basis; enabling the image acquisition card to set a focusing search range and a focusing motor motion step number according to a focal length f, obtain a plurality of images in the focusing search range, compare the obtained images to obtain a maximum characteristic value, and record an adjustment value of the focusing motor when the maximum characteristic value is obtained; and adding the adjustment value and the initial focal length to obtain the focusing focal length of the lens. The method and the system have the beneficial effects that the focusing precision and stability of the lens under the condition of image movement or insufficient light are improved, the focusing range of the lens is expanded, and the lens is suitable for ultra-long-distance focusing.

The invention discloses a digital film exposure device which comprises a first optical lens, a second optical lens, a third optical lens, a fourth optical lens, a fifth optical lens, a doublet objective lens, a first convex lens, a second concave lens, a sixth optical lens, a seventh optical lens, a light combination prism, a PBS prism and a PLCOS packaging lens which are installed in a lens cone. The first optical lens is provided with a second optical lens, the second optical lens is provided with a third optical lens, the third optical lens is provided with a fourth optical lens, the fourth optical lens is provided with a fifth optical lens, and the fifth optical lens is provided with a doublet objective lens. And a seventh optical lens is arranged on the sixth optical lens. The invention relates to a digital film exposure device, which has the characteristics of realizing a parallel projection function of image light beams, realizing focusing in a larger range by utilizing parallel projection of the light beams and reducing the distortion rate of patterns.