摘要:
A tracking system for positioning a light spot onto a magneto-optic disc having a beam guide track preformatted thereon, includes a main light beam and two auxiliary light beams, and a circuit for switching between a low frequency component of a tracking error signal, detected by respective auxiliary light beam detectors, and a tracking error signal detected by a main light beam detector.
摘要:
A method of manufacturing an optical memory element, which includes the steps of applying a first photo-resist layer onto a glass substrate for an optical memory element, laying a mask plate on the glass substrate applied with the first photo-resist layer, with the mask plate being prepared by covering a surface of a transparent substrate with metallic layers formed into a guide pattern configuration, irradiating ultraviolet rays onto the first photo-resist layer through the mask plate, transferring the guide patterns of the mask plate onto the first photo-resist layer, and engraving the guide patterns in the glass substrate by etching after developing the first photo-resist layer.
摘要:
A fabrication method of a semiconductor thin film including a polycrystalline semiconductor region by irradiating a precursor semiconductor thin film with at least two types of laser beams, and melting-recrystallizing the precursor semiconductor thin film, wherein the precursor semiconductor thin film is irradiated with a predetermined reference laser beam, and a radiation initiation time or power density of a laser beam is controlled according to change in reflectance of the site irradiated with the reference laser beam. A semiconductor thin film fabrication apparatus used in the fabrication method of present invention, wherein includes at least two light sources, a sensing unit, and a control unit. The crystals formed have no difference in the length of crystal caused by variation in the energy of each radiation.
摘要:
An emissive element array of a plurality of organic EL elements is arranged linearly on a single-crystal silicon substrate or polycrystalline silicon substrate with a drive circuit including an element switching its respective emissive element. The organic EL emissive elements have an edge emitting structure utilizing light emitted in an edge direction perpendicular to the direction of deposition of electrode layers and organic compound layers, and is constructed such that the emitting area of one emissive element, S, as viewed in the direction of deposition, and the period of emissive elements disposed side by side, d, have the relationship of S>d2. In this way, organic EL techniques can be applied to provide the required amount of light exposure and to produce an exposure device that is small and inexpensive.
摘要翻译:多个有机EL元件的发射元件阵列线性地布置在单晶硅衬底或多晶硅衬底上,其中驱动电路包括切换其各自发射元件的元件。 有机EL发光元件具有利用沿垂直于电极层和有机化合物层的沉积方向的边缘方向发射的光的边缘发射结构,并且被构造成使得在一个发射元件S的发射面积 沉积方向和并排设置的发射元件的周期d具有S> d <2>的关系。 以这种方式,可以应用有机EL技术来提供所需量的曝光并且产生小而便宜的曝光装置。
摘要:
An optical disk has address recording sections each of which has a wobbled part of one of side walls of a groove. Each address recording section is formed by providing convexes of a groove in an adjacent land so as to widen the groove. With the wobbles thus provided in a concavo-convex form, address information is recorded. Besides, the address recording sections thus provided in the grooves are linearly disposed in radial directions of the optical disk. By thus arranging the optical disk on whose grooves and/or lands information is recorded, mixing of wobble frequency components in reproduced information signals does not occur, the sector method is applicable to the optical disk, and information signals of high quality can be obtained.
摘要:
A deformable mirror including: a flexible member including a reflective surface for reflecting light incident thereupon; and a reference surface substrate including a support portion for supporting a peripheral portion of the flexible member, and a curved portion provided inside the support portion, the curved portion providing a space for allowing for the flexible member to be elastically deformed. A height of a central portion of the curved portion of the reference surface substrate is set to be equal to or less than a height of the support portion of the reference surface substrate. The flexible member is elastically deformed by being drawn toward the curved portion of the reference surface substrate, thereby giving a predetermined aberration to light incident upon the reflective surface of the flexible member.
摘要:
Method of forming a complex, minute three-dimensional structure, known as micromachining, which includes forming a plurality of thin films at least one of which is provided as a temporary layer composed of a lower layer made of an organic material and an upper layer made of an amphoteric metal material which is formed on the lower layer; and selectively removing the temporary layer to provide a three-dimensional structure. The temporary layer may comprise a composite sacrificial layer of photoresist and aluminum.
摘要:
A deformable mirror for reflecting a light beam incident thereon of the present invention includes: a flexible member which has a reflective surface and is flexibly deformable; a substrate having a reference surface which faces the flexible member; and a driving section for making the flexible member adhere to the reference surface of the substrate, thereby deforming the reflective surface of the flexible member to correspond to the reference surface. The shape of the reference surface is designed in such a manner that the light beam is provided with a spherical aberration when the reflective surface adheres to the reference surface.