Abstract: A wiring substrate to which a semiconductor element 10 is connected, is a wiring substrate 20 comprised of a glass substrate with through-hole groups 20d, each group consisting of a plurality of through holes 20c extending from input surface 20a to output surface 20b and formed in a predetermined array, and conductive members 21 formed on respective inner walls of the through holes 20c in each through-hole group 20d so as to establish electrical continuity between input surface 20a and output surface 20b. A bump electrode 12 of semiconductor element 10 connected to the input surface 20a corresponds to each through-hole group 20d, conductive member 21, and conductive part 22 formed in a region covering the through-hole group 20d, and is connected so that a portion of the bump electrode 12 enters into an interior of each of the through holes 20c.

Abstract: A wiring substrate 20, comprising a glass substrate, formed by integrally bundling a plurality of glass fibers and provided with through holes 20c, and conductive members 21, disposed at through holes 20c, is used. Input portions 21a of conductive members 21, formed on an input surface 20a of this wiring substrate 20, are connected to bump electrodes 17, which are provided on an output surface 15b of a PD array 15 in one-to-one correspondence with respect to conductive members 21, thereby arranging a semiconductor device 5. A radiation detector is arranged by connecting a scintillator 10 via an optical adhesive agent 11 to a light-incident surface 15a of PD array 15 and connecting a signal processing element 30 via bump electrodes 31 to output surface 20b of wiring substrate 20. A semiconductor device, with which the semiconductor elements and the corresponding conductive paths of the wiring substrate are connected satisfactorily, and a radiation detector using this semiconductor device are thus provided.

Abstract: A wiring substrate section 2 is provided between a radiation detecting section 1, which is formed of a scintillator 10 and a PD array 15, and signal processing elements 30 and 32 for processing a detected signal outputted from the PD array 15, and the wiring substrate section 2 has a wiring substrate 20 which is formed of a glass material having a radiation shielding function and in which a conductive member 21 serving as a conduction path for guiding the detected signal therethrough is provided in a through hole 20c. Relative to the through hole 20c of the wiring substrate 20, the signal processing elements 30 and 32 of the signal processing section 3, located downstream of the wiring substrate 20, are each disposed in an area excluding those areas on the extension of the through holes 20c, and this allows the signal processing elements 30 and 32 not to be seen through the through holes 20c.

Abstract: The optical lens 1 in accordance with the present invention comprises an optically effective part 5, formed as a curved surface in at least one of light-entrance and light-exit faces, for acting in an X-axis direction on light emitted from a light-emitting device; and a pair of protrusions 10, integrally formed in the face on the side provided with the optically effective part 5, projecting in an optical axis direction on both sides of a light-transmitting area; the pair of protrusions 10 projecting beyond a surface of the optically effective part. Such an optical lens 1 can prevent the optically effective part 5 from coming into direct contact with an arrangement surface where the optical lens 1 is placed, side faces of members adjacent to the optical lens 1, and the like in each manufacturing step, during delivery, and so forth, whereby the optically effective part 5 is hard to incur damages and the like.

Abstract: A wiring substrate section 2, which has a wiring substrate 20 with through holes 20c each filled with a conductive member 21 serving as a conduction path for guiding a detected signal, is installed between a radiation detecting section 1 comprised of a scintillator 10 and a PD array 15, and a signal processing element 30 for processing the detected signals outputted from the PD array 15. Each through hole 20c in the wiring substrate 20 is formed so that, with respect to a predetermined plane perpendicular to a conduction direction from an input surface 20a to an output surface 20b, an aperture of the through hole 20c in that plane is not on an extension along the conduction direction of an aperture of the through hole 20c in the input surface 20a and so that the through hole 20c cannot be seen through from the input surface 20a to the output surface 20b. This obtains the wiring substrate capable of suppressing transmission of radiation, and a radiation detector using it.

Abstract: Between a radiation detecting section 1, arranged by a scintillator 10 and a PD array 15, and a signal processing element 30, processing detected signals output from PD array 15, is disposed a wiring substrate section 2, provided with conduction paths that guide the detected signals between PD array 15 and signal processing element 30. Wiring substrate section 2 has a first wiring substrate 20, having conductive members 21, which are to serve as the conduction paths at the PD array 15 side, provided in through holes 20c, and a second wiring substrate 25, having conductive members 26, which are to serve as the conduction paths at the signal processing element 30 side, provided in through holes 25c, and is arranged so that the positions of through holes 20c in wiring substrate 20 differ from the positions of through holes 25c in wiring substrate 25 as viewed in the alignment direction.

Abstract: A wiring substrate 20, comprising a glass substrate, which is provided with through holes 20c, each having a tapered part 20d that becomes large in opening area at the side of an input surface 20a, and conductive members 21, formed on the inner walls of through holes 20c, is used. A semiconductor device 5 is arranged by connecting bump electrodes 17, provided on an output surface 15b of a PD array 15 in correspondence with conductive members 21, to input portions 21a of conductive members 21 formed on input surface 20a of wiring substrate 20. A radiation detector is arranged by connecting a scintillator 10 via an optical adhesive agent 11 to a light-incident surface 15a of PD array 15 and connecting a signal processing element 30 via bump electrodes 31 to output surface 20b of wiring substrate 20.

Abstract: The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved surface parts 43 formed parallel to each other, and a pair of flanges 48 formed on both sides of the plurality of curved surface parts 43; a drawing step of drawing the optical lens preform 40; and an optical lens producing step of producing an optical lens 1 by cutting the drawn optical lens preform 40; wherein the plurality of curved surface parts 43 of the optical lens preform 40 drawn by the drawing step function as an optically effective part. In such a method, the form of the optically effective part can be determined in the stage of the preform before drawing, whereby the optically effective part can be processed in a sufficiently large size.

Abstract: The optical lens 1 in accordance with the present invention comprises an optically effective part 5, formed as a curved surface in at least one of light-entrance and light-exit faces, for acting in an X-axis direction on light emitted from a light-emitting device; and a pair of protrusions 10, integrally formed in the face on the side provided with the optically effective part 5, projecting in an optical axis direction on both sides of a light-transmitting area; the pair of protrusions 10 projecting beyond a surface of the optically effective part. Such an optical lens 1 can prevent the optically effective part 5 from coming into direct contact with an arrangement surface where the optical lens 1 is placed, side faces of members adjacent to the optical lens 1, and the like in each manufacturing step, during delivery, and so forth, whereby the optically effective part 5 is hard to incur damages and the like.

Abstract: The method of manufacturing an optical lens in accordance with the present invention includes a drawing optical lens preform preparing step of preparing a drawing optical lens preform comprising a first curved face part, formed aspheric in one side face thereof, functioning as an optically active part, and a second curved face part, formed in a side face opposite from the first curved face part, having a curvature smaller than that of the first curved face part; a drawing step of drawing the drawing optical lens preform to a desirable outer diameter; and an optical lens preparing step of preparing an optical lens 1 by slicing the drawn drawing optical lens preform. Since the second curved face part is formed, distortions can be restrained from occurring due to the drawing in this manufacturing method.

Abstract: The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved surface parts 43 formed parallel to each other, and a pair of flanges 48 formed on both sides of the plurality of curved surface parts 43; a drawing step of drawing the optical lens preform 40; and an optical lens producing step of producing an optical lens 1 by cutting the drawn optical lens preform 40; wherein the plurality of curved surface parts 43 of the optical lens preform 40 drawn by the drawing step function as an optically effective part. In such a method, the form of the optically effective part can be determined in the stage of the preform before drawing, whereby the optically effective part can be processed in a sufficiently large size.

Abstract: The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved surface parts 43 formed parallel to each other, and a pair of flanges 48 formed on both sides of the plurality of curved surface parts 43; a drawing step of drawing the optical lens preform 40; and an optical lens producing step of producing an optical lens 1 by cutting the drawn optical lens preform 40; wherein the plurality of curved surface parts 43 of the optical lens preform 40 drawn by the drawing step function as an optically effective part. In such a method, the form of the optically effective part can be determined in the stage of the preform before drawing, whereby the optically effective part can be processed in a sufficiently large size.

Abstract: The method of manufacturing an optical lens in accordance with the present invention includes a drawing optical lens preform preparing step of preparing a drawing optical lens preform comprising a first curved face part, formed aspheric in one side face thereof, functioning as an optically active part, and a second curved face part, formed in a side face opposite from the first curved face part, having a curvature smaller than that of the first curved face part; a drawing step of drawing the drawing optical lens preform to a desirable outer diameter; and an optical lens preparing step of preparing an optical lens 1 by slicing the drawn drawing optical lens preform. Since the second curved face part is formed, distortions can be restrained from occurring due to the drawing in this manufacturing method.

Abstract: The method of manufacturing an optical lens in accordance with the present invention includes a drawing optical lens preform preparing step of preparing a drawing optical lens preform comprising a first curved face part, formed aspheric in one side face thereof, functioning as an optically active part, and a second curved face part, formed in a side face opposite from the first curved face part, having a curvature smaller than that of the first curved face part; a drawing step of drawing the drawing optical lens preform to a desirable outer diameter; and an optical lens preparing step of preparing an optical lens 1 by slicing the drawn drawing optical lens preform. Since the second curved face part is formed, distortions can be restrained from occurring due to the drawing in this manufacturing method.

Abstract: A radiation detector 10 is provided with three optical members 12, 14, 16 arranged so that their entrance end faces 12a, 14a, 16a are placed on a substantially identical plane; a scintillator 18 provided on the entrance end faces 12a, 14a, 16a of the optical members 12, 14, 16; a plurality of CCDs 20 for picking up optical images outputted from exit end faces 12b, 14b, 16b of the optical members 12, 14, 16; and a plurality of lightguide optical members 22 for guiding the optical images outputted from the exit end faces 12b, 14b, 16b of the optical members 12, 14, 16, to the CCDs 20. The optical members 12, 14, 16 are bonded and fixed to each other with an adhesive 24 having the light-absorbing property and spacings between them are set in the range of 10 to 15 &mgr;m. A protective film 26 is provided on the scintillator 18.

Abstract: The method for making an optical lens according to the present invention is characterized in comprising: a optical lens preform fabrication step of fabricating a optical lens preform which comprises a first curved portion which serves as an optically functioning part and which is on one side, a flat surface portion which is formed on the opposite side to the first curved portion, and paired beveling surfaces which are formed on the both sides of the flat surface portion; a drawing step of drawing a optical lens preform 40 until the optical lens preform 40 has obtained a desired outer diameter; and an optical lens fabrication step of cutting thus drawn optical lens preform and accordingly fabricating an optical lens. With this making method, since there are paired beveling surfaces disposed, it is possible to suppress a drawing-induced distortion.

Abstract: An optical lens manufacturing method according to the present invention comprises: an optical lens base material preparation step of preparing an optical lens base material 40, which is formed of light transmitting material, has a columnar shape, and is provided with a first side face 44 and a second side face 46 that are mutually parallel, of which at least one of both first side face 44 and second side face 46 has a plurality of curved surface parts 43; a drawing step of drawing optical lens base material 40 in the columnar axis direction; and an optical lens preparation step of cutting optical lens base material 40, which has been drawn, at a desired length to thereby prepare optical lens 1. The plurality of curved surface parts 43 of optical lens base material 40, which has been drawn in the drawing step, function as optical action components that act on incident light or emitted light.

Abstract: The method of making an optical lens in accordance with the present invention comprises an optical lens preform producing step of producing an optical lens preform 40 having a plurality of curved surface parts 43 formed parallel to each other, and a pair of flanges 48 formed on both sides of the plurality of curved surface parts 43; a drawing step of drawing the optical lens preform 40; and an optical lens producing step of producing an optical lens 1 by cutting the drawn optical lens preform 40; wherein the plurality of curved surface parts 43 of the optical lens preform 40 drawn by the drawing step function as an optically effective part. In such a method, the form of the optically effective part can be determined in the stage of the preform before drawing, whereby the optically effective part can be processed in a sufficiently large size.

Abstract: The optical lens 1 in accordance with the present invention comprises an optically effective part 5, formed as a curved surface in at least one of light-entrance and light-exit faces, for acting in an X-axis direction on light emitted from a light-emitting device; and a pair of protrusions 10, integrally formed in the face on the side provided with the optically effective part 5, projecting in an optical axis direction on both sides of a light-transmitting area; the pair of protrusions 10 projecting beyond a surface of the optically effective part. Such an optical lens 1 can prevent the optically effective part 5 from coming into direct contact with an arrangement surface where the optical lens 1 is placed, side faces of members adjacent to the optical lens 1, and the like in each manufacturing step, during delivery, and so forth, whereby the optically effective part 5 is hard to incur damages and the like.

Abstract: An optical lens of this invention comprises a first optical member array, in which a plurality of columnar optical members acting on each ray of light emitted from each light-emitting device are arranged in an array, and a second optical member, formed into a columnar shape from transparent material and within which the first optical member array is embedded along the column axis direction; the refractive index of the constituent material of the plurality of columnar optical members is higher than that of the transparent material of the second optical member. Because the first optical member array is embedded in the second optical member in an integral structure, it is possible to easily place the lens in a position such that each incident light ray is acted upon.