摘要:
A mold apparatus of a lens array and a method for using the same are provided. The mold apparatus includes an upper pressing die, a lower pressing die and a plate structure. The upper pressing die includes a plurality of upper engaging portions. The lower pressing die includes a plurality of lower engaging portions. The plate structure includes a plurality of through holes. A glass article is installed at the through hole. The glass article includes a first sectional width W1. The through hole includes an upper opening and a lower opening. The upper opening corresponds to the upper pressing die. The lower opening corresponds to the lower pressing die. The upper opening includes a second sectional width W2. The lower opening includes a third sectional width W3. Wherein W1≧W2 or W1≧W3; the glass articles are extruded by the mold apparatus to manufacture the lens array.
摘要:
The production of optoelectronic components, optical components being mounted in the composite wafer. Provided to this end is a method for producing optoelectronic components, in particular image signal acquiring or image signal outputting components, in the case of which optical components are respectively provided, picked up and mounted on a wafer, the optical components preferably respectively being positioned individually or in groups relative to the position of assigned optoelectronic or optical components of the wafer or of a wafer to be connected thereto.
摘要:
Vacuum-insulated glass windows include two or more glass panes, and glass-bump spacers formed in a surface of one of the panes. The glass-bump spacers consist of the glass material from the body portion of the glass pane. At least one of the glass panes comprises chemically-strengthened glass. Methods of forming VIG windows include forming the glass-bump spacers by irradiating a glass pane with a focused beam from a laser. Heating effects in the glass cause the glass to locally expand, thereby forming a glass-bump spacer. In embodiments where the glass-bump spacers are formed in a chemically-strengthened glass pane, the glass-bump spacers may be formed before or after the chemical strengthening. A second glass pane is brought into contact with the glass-bump spacers, and the edges sealed. The resulting sealed interior region is evacuated to a pressure of less than one atmosphere.
摘要:
A method and a device are disclosed for follow-up treatment of the contour of the surface of at least one optical lens, in particular a microlens which is made of glass or a glass-type material and which has a convex lens surface delimited by a circumferential line abutting on a plane section surrounding the circumferential line and which has a lens underside facing the convex lens surface. Along the circumferential line of the optical lens on the plane section is placed a device perfectly matching the circumferential line and at least laterally bordering the convex lens surface, the optical lens is heated to a temperature of at least the transformation temperature of glass or glass-type material, pressure equalization prevails between the convex lens surface and the lens underside, after a certain period of time, during which the optical lens undergoes the temperature treatment and subsequent cooling below the transformation temperature, the device is removed from the optical lens.
摘要:
The disclosure teaches methods of forming at least one bump in a glass substrate having a surface and a body portion. The method includes performing a first irradiation of a portion of the glass substrate to form in the glass surface the at least one bump having bump height. The method also includes performing thermal annealing of at least a portion of the glass substrate that includes the first irradiated portion. The method then includes performing a second irradiation of the bump to increase the bump height.
摘要:
In one aspect, a method is provided for molding from glass complex optical components such as lenses, microlens, arrays of microlenses, and gratings or surface-relief diffusers having fine or hyperfine microstructures suitable for optical or electro-optical applications. In another aspect, mold masters or patterns, which define the profile of the optical components, made on metal alloys, particularly titanium or nickel alloys, or refractory compositions, with or without a non-reactive coating are provided. Given that molding optical components from oxide glasses has numerous drawbacks, it has been discovered in accordance with the invention that non-oxide glasses substantially eliminates these drawbacks. The non-oxide glasses, such as chalcogenide, chalcohalide, and halide glasses, may be used in the mold either in bulk, planar, or power forms. In the mold, the glass is heated to about 10-110° C., preferably about 50° C., above its transition temperature (Tg), at which temperature the glass has a viscosity that permits it to flow and conform exactly to the pattern of the mold.
摘要:
The present invention relates to a molding method of a microlens array with an enhanced transfer performance and a molding apparatus of the same. The invention addresses a method for molding a microlens array by heating and compressing a glass element between oppositely placed first and second cores, wherein a depression or projection part is formed for transferring and molding a plurality of concave lens elements on the compression molding surface of at least one of the cores. The glass element is set between each compression molding surface of the first and second cores, and is then compressed between them while providing restriction means for preventing the glass element from escaping in the direction perpendicular to the compression direction of the glass element, thereby compression molding the glass element with the restriction means and between the compression molding surfaces of the first and second cores.
摘要:
(1) Alignment mark transfer portion(s) is/are formed on the transfer molding surface of a mold that is used for press-molding a optical element fixing member and having alignment marks; (2) alignment mark(s) is/are formed on the mold material by dry-etching, and the mold material is worked using the alignment mark(s) as a reference to form the transfer molding surface constituted by a plurality of transfer patterns, in order to obtain a mold for press-molding; and (3) the transfer patterns are formed by dry-etching, or a transfer molding bare surface for transfer patterns is formed by dry-etching and a mold release film is formed thereon to reflect the shape of the transfer molding base surface, in order to obtain a mold for press-molding.
摘要:
A method for forming a plurality of optical elements simultaneously includes placing a transfer material against an inner surface of a master die, which has a shape commensurate with a desired shape of a plurality of optical elements to form a molding die, which thereby has an inner surface substantially a negative of the master die's inner surface. A moldable sheet, such as glass, is pressed against the molding die to form a unitary molded sheet, and the molded sheet is cut apart to form a plurality of optical elements, including lenses or other optical elements as desired.
摘要:
A method and apparatus is disclosed for compression molding arrays optical elements which may be later singulated. The apparatus includes first and second mold halves with the second mold half having a central nest and a plurality of predetermined negative optical surface features therein. A glass preform is placed in the central nest and the first and second mold halves and the glass preform are heated to at least the glass transition temperature of the glass preform. The glass preform is then pressed between the first and second mold halves to thereby form an integral array of optical elements with each of the optical elements being a positive of the predetermined negative optical surface features. The integrally formed array of optical elements is then cooled to below the glass transition temperature and removed from the first and second mold halves.