Abstract: It is provided an illumination apparatus, comprising a first light source mounted on a board emitting first light having a first wavelength spectrum; a second light source mounted on the board emitting second light having a second wavelength spectrum; a phosphor layer converting at least a part of at least one of the first light and the second light into first converted light and second converted light, respectively; wherein the phosphor layer emits a remaining part of the first light, a remaining part of the second light, the first converted light, and the second converted light; the phosphor layer is in contact with the first and second light sources and continuous on the first and second light sources, and on a path on the board connecting the first and second light sources; the phosphor layer and the board surround the first light source and the second light source.

Abstract: A method for manufacturing a glass substrate including an opening includes forming lines of inner and outer circumferential portions irradiated with a laser beam along substantially concentric circles in a surface of a glass blank, separating a portion on an inner side of the line of the outer circumferential portion of the glass blank and a portion on an outer side of the line of the outer circumferential portion from each other by heating the portion on the outer side of the line of the outer circumferential portion with radiant heat, and separating a portion on an inner side of the line of the inner circumferential portion of the glass blank and a portion on an outer side of the line of the inner circumferential portion from each other by heating the portion on the outer side of the line of the inner circumferential portion with radiant heat.

Abstract: The invention relates to a method for manufacturing an insertion tube of an endoscope from a tubular element, wherein the insertion tube includes a proximal passive flexible portion and a distal deflecting portion, wherein, in the proximal passive flexible portion, cuts are provided to enable the proximal passive flexible portion to be bent. In the method, the cuts are configured in the proximal passive flexible portion such that adjacent cuts do not have the same distance. The invention further relates to an endoscope including such insertion tube.

Abstract: There is provided an intraocular lens injector capable of smoothly performing an operation when an intraocular lens is injected, the intraocular lens injector, including: a hollow body 5 having a lens setting portion 11 on which an intraocular lens 4 is set; a plunger 9 that moves through an inside of the hollow body 5 in an axial direction of the hollow body 5; a pushing member 10 that pushes out the intraocular lens 4 from the lens setting portion 11 by moving together with the plunger 9, through the inside of the hollow body 5, and toward front part of the axial direction of the hollow body 5; a first flange 14a protruded from an outer circumferential surface of the hollow body 5; and a second flange 14b arranged on a rear end side with respect to the first flange and protruded from the outer circumferential surface of the hollow body 5; wherein the hollow body 5 is configured so that a shape on the A direction side toward a center of gravity of the hollow body 5 in which the first flange 14a is arra

Abstract: A glass blank is cut out from a glass plate by forming a crack starting portion inside the glass plate by moving a first laser beam relative to the glass plate such that a focal position of the laser beam is located in an inner portion of the glass plate in its thickness direction and the focal position forms a circle when viewed from a surface of the glass plate, then causing cracks to develop from the crack starting portion toward main surfaces of the glass plate, and splitting the glass plate to separate, from the glass plate, a glass blank that includes a separation surface having an arithmetic average surface roughness Ra smaller than 0.01 ?m and a roundness not larger than 15 ?m. Thereafter, main surfaces of the glass blank are ground or polished.

Abstract: An ophthalmic lens and technologies relating to the ophthalmic lens including an intermediate portion that includes a portion in which a power is strengthened and thereafter weakened when the lens is viewed in an X direction from the center toward the periphery, and includes a portion A? in which the power is strengthened and thereafter weakened when the lens is viewed in an X? direction from the center toward the periphery, the X? direction being exactly opposite to the X direction, the power being strengthened in the portion A and the portion A? to be stronger than a far-vision power of a far-vision portion or a near-vision power of a near-vision portion that is arranged in a ring shape along an outer edge of the intermediate portion.

Abstract: Provided is a reflective mask blank for manufacturing a reflective mask capable of suppressing peeling of an absorber pattern while suppressing an increase in the thickness of an absorber film when EUV exposure is conducted in an atmosphere including hydrogen gas. A reflective mask blank (100) comprises a substrate (1), a multilayer reflection film (2) on the substrate, and an absorber film (4) on the multilayer reflection film. The reflective mask blank (100) is characterized in that: the absorber film (4) includes an absorption layer (42) and a reflectance adjustment layer (44); the absorption layer (42) contains tantalum (Ta), nitrogen (N), and at least one added element selected from hydrogen (H) and deuterium (D); the absorption layer (42) includes a lower surface region (46) including a surface on the substrate side, and an upper surface region (48) including a surface on the side opposite to the substrate; and the concentration (at.

Abstract: Provided is an optical element that can exhibit excellent weather resistance in spite of having a glass substrate formed of a phosphate glass or a fluorophosphate glass. The optical element is characterized by including a glass substrate formed of a phosphate glass or a fluorophosphate glass and a weather resistant protective film provided on at least one main surface and having a monolayer structure, wherein the weather resistant protective film contains one or more selected from Ti atoms, Zr atoms, and Al atoms together with Si atoms, and a proportion of the total number of Ti atoms, Zr atoms, and Al atoms in the total number of Si atoms, Ti atoms, Zr atoms, and Al atoms is more than 20.0 atomic % and 75.0 atomic % or less.

Abstract: A light source device includes a plurality of semiconductor light emitting elements that emit pieces of light having different wavelength bands, and a control unit that controls a light emission profile of the plurality of semiconductor light emitting elements and drives the plurality of semiconductor light emitting elements, in which the control unit controls the light emission profile of the plurality of semiconductor light emitting elements such that main light emission is performed in a pseudo global exposure period of an image sensor and preliminary light emission is performed in at least a part of a pixel readout period of the image sensor, and a light emission level of the preliminary light emission is lower than a light emission level of the main light emission.

Abstract: Embodiments of the disclosure include an endoscope tip assembly for use on an endoscope, during procedures. The endoscope tip assembly may include a base configured to receive an endoscope tip configured to not disengage from the endoscope tip during a procedure. The endoscope tip assembly may also include a plurality of struts which is connected by a webbing, may fold flat during insertion, and may assume a balloon-like shape during withdrawal.

Abstract: A device includes an offset subtraction unit; an image sensor which receives, for each of a plurality of bright frames, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit, and receives, for a dark frame, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit; and a control unit which ensures that the image sensor alternately transmits a number of bright frames and one dark frame to the offset subtraction unit. An amount of light by which the respective image signal for each of the bright frames is generated is larger than an amount of light by which the respective image signal for the dark frame is generated; and the offset subtraction unit obtains an offset and subtracts the offset from a signal.

Abstract: An endoscope system comprising: a light source device configured to emit illumination light; an electronic endoscope; a processor that includes an image processing unit; and a monitor. The image processing unit includes: a detection unit configured to generate a first blood vessel detection image and a second blood vessel detection image; a separation unit configured to separate the first blood vessel detection image and the second blood vessel detection image into a shallow blood vessel image and a deep blood vessel image; a feature amount calculation unit configured to calculate a shallow blood vessel feature amount regarding the shallow blood vessel image and a deep blood vessel feature amount regarding the deep blood vessel image; and an evaluation unit configured to calculate severity of a lesion of a biological tissue by using the shallow blood vessel feature amount and the deep blood vessel feature amount.

Abstract: Provided is an endoscope that prevents an increase in temperature of a light-emitting element. This endoscope includes: an observation window fixed to a distal tip member disposed at a distal tip of an insertion portion; a light-emitting element that emits light in a viewing direction of the observation window; a power supply wire that supplies power to the light-emitting element; an illumination frame that surrounds a connection portion between the light-emitting element and the power supply wire; a connector unit connected to an endoscope processor; and a conductor wire that connects the illumination frame and the connector unit.

Abstract: An endoscope that captures an image of a biological tissue in a body cavity includes: an image sensor configured to capture the image of the biological tissue; an objective lens that simultaneously forms, as captured images, a front-view image of the biological tissue obtained through a front window facing a front side of a light receiving surface of the image sensor and a side-view image of the biological tissue obtained through a side window facing a lateral side as compared with the front window, on the light receiving surface; and an optical element that is provided in at least one of the front window and the side window, and changes a visual field range of at least one of the front-view image and the side-view image by adjusting a deflection characteristic of incident light with a control signal.

Abstract: Provided is an endoscope that is not susceptible to damage due to static electricity. This endoscope includes: an observation window fixed to a distal tip member disposed at a distal tip of an insertion portion; and an illumination unit that emits light in a viewing direction of the observation window, the illumination unit including a light-emitting element, a power supply wire that supplies power to the light-emitting element, a conductor wire extending along the power supply wire, and a conductive illumination frame that surrounds a connection portion between the light-emitting element and the power supply wire, is insulated from the power supply wire, and is electrically connected to the conductor wire.

Abstract: A peroxide-resistant endoscope comprises an interface portion; a control portion coupled to the interface portion; and an insertion portion coupled to the control portion. The insertion portion comprises a bending portion; an insertion tube extending from a distal end of the control portion to a proximal end of the bending portion; a bending portion coupled to a distal end of the insertion tube; and a distal tip at a distal end of the bending portion. The peroxide-resistant endoscope also comprises a light carrying bundle (LCB) that extends from the interface portion to the distal tip. An outer casing of the bending portion consists essentially of fluorocarbon rubber, the LCB is lubricated by a first lubricant that comprises at least one solid lubricant and does not contain more than ten percent by weight of molybdenum disulfide, and an outer casing of the insertion tube is bonded to the outer casing of the bending portion by an epoxy adhesive.

Abstract: Provided is an annular spacer to be disposed such that a main surface of the spacer is in contact with a magnetic disk in a hard disk drive device, the spacer including two main surfaces; an inner circumferential surface; and an outer circumferential surface, in which a chamfered surface is present between the outer circumferential surface and each of the two main surfaces, and at least a portion of an outer circumferential region of at least one of the two main surfaces includes an inclined region that is inclined toward the other main surface side in a radial direction from a center of the spacer to the outer circumferential surface side.

Abstract: An imaging system includes a first image pickup and a second image pickup, a first imaging device imaging a first scene onto the first image pickup, a second imaging device imaging a second scene onto the second image pickup; wherein the first imaging device includes a front optical unit including a front lens, a beam splitter, and a first rear optical unit, wherein the second imaging device includes the front optical unit, the beam splitter, a second rear optical unit, a focus point of one of the imaging devices is a macro focus point, a focus point of the other imaging device is a wide-angle focus point, the macro focus point is within a range from 0 mm to 1 mm in front of the front lens and the wide-angle focus point is at least 3 mm in front of the front lens.

Abstract: A program causes a computer to execute processing including: acquiring an endoscope image captured by an endoscope; inputting the acquired endoscope image into a plurality of learning models learned so as to output diagnosis support information regarding a lesion included in the endoscope image; acquiring a plurality of pieces of diagnosis support information output from each of the learning models; and outputting a plurality of pieces of the acquired diagnosis support information and information regarding each of the learning models in association with each other. Alternatively, the program causes the computer to execute the processing of inputting the acquired endoscope image into one learning model, executing a plurality of determination logics to acquire a plurality of pieces of output diagnosis support information, and outputting a plurality of pieces of the acquired diagnosis support information and information regarding each of the learning models in association with each other is executed.

Abstract: A glass for magnetic recording medium substrate is an amorphous oxide glass. In terms of mol %, SiO2 content ranges from 45 to 68%, Al2O3 from 5 to 20%, total content of SiO2 and Al2O3 60 to 80%, B2O3 from 0 to 5%, MgO from 3 to 28%, CaO from 0 to 18%, total content of BaO and SrO 0 to 2%, total content of alkali earth metal oxides from 12 to 30%, total content of alkali metal oxides from 3.5 to 15%, and at least one kind selected from the group made of Sn oxide and Ce oxide being included, a total content of Sn oxide and Ce oxide ranges from 0.05 to 2.00%, a glass transition temperature ?625° C., a Young's modulus ?83 GPa, a specific gravity ?2.85, and an average linear expansion coefficient at 100 to 300° C.?48×10?7/° C.