Abstract: A metal photomask pod with a filter device and with atmoseal function is provided. The metal photomask pod includes a metal upper cover and a metal lower cover coupled to form an inner space for receiving a photomask. A side portion of the metal upper cover or the metal lower cover of the photomask pod includes at least one through hole for communicating the inner space with an outer space of the photomask pod. A filter device covers the through hole.

Abstract: A multiple switch device for controlling and linking a plurality of switches (600) disposed on a circuit board (500) comprises an operation button (110), a shaft (120), and at least one fixing base (130). The operation button comprises a handle (112) and a rod (114) fixed to the handle. The shaft comprises a connecting plate (122) disposed at an end of the shaft, and a plurality of protruding plates (124) disposed on the shaft. The rod is engaged with the connecting plate to securely connect the shaft and the operation button. Each of the protruding plates aligns with a corresponding switch. The fixing base supports the shaft on a circuit board.

Abstract: An electronic device (10) includes a case (20), a circuit board (30) received in the case, a front panel (40) including a first groove (42), a gasket (50) including a hook (54), and a pair of fixing posts (60) for securing the gasket on the front panel. The front panel is mounted to the circuit board. The hook is received in the first groove. Each fixing post is received in respective ends of the first groove.

Abstract: A photo mask retainer, mounted inside a photo mask delivery box for holding a storage photo mask, have a base, a U-turn extending from the top of the rear side of the base and curving toward the top side of the base, a bearing portion formed on the free end of the U-turn for pressing on the vertical peripheral sidewall of the storage photo mask, a retaining end portion formed on the free end of the U-turn for pressing on the top surface of the storage photo mask, and a clamp extending from the front side of the base for fastening to a respective locating block inside the photo mask delivery box

Abstract: A multiple switch device for controlling and linking a plurality of switches (600) disposed on a circuit board (500) comprises an operation button (110), a shaft (120), and at least one fixing base (130). The operation button comprises a handle (112) and a rod (114) fixed to the handle. The shaft comprises a connecting plate (122) disposed at an end of the shaft, and a plurality of protruding plates (124) disposed on the shaft. The rod is engaged with the connecting plate to securely connect the shaft and the operation button. Each of the protruding plates aligns with a corresponding switch. The fixing base supports the shaft on a circuit board.

Abstract: A photomask positioning apparatus comprises a positioning device having a base, one end of which comprises a bended fixed portion connected to a bottom of the containing space and the other of which is away from the fixed portion comprises a bended positioning portion such that a photomask can be positioned between the positioning portion set at the two sides of the containing space.

Abstract: A semiconductor container molded from a plastic material containing silver that absorb sulfide to prevent crystal formation on masks/wafers carried in the enclosed storage space inside the semiconductor container during a photolithographic process under the radiation of a deep-ultraviolet light source. In an alternate form of the invention, the inside wall of the semiconductor container is coated with a layer of silver to absorb sulfide. In another alternate form of the present invention, blocks of silver are fixedly provided inside the semiconductor container to absorb sulfide in the enclosed storage space.

Abstract: An apparatus suitable for holding a photomask comprises a photomask holder having a plurality of through holes and a plurality of protrusions detachably connected to the photmask holder via the through holes. The photomask is positioned on supporting ridges of the protrusions so that the friction between the protrusions and the photomask is prevented, and the generation of particulates can be effectively reduced.

Abstract: A photomask positioning apparatus comprises a positioning device having a base, one end of which comprises a bended fixed portion connected to a bottom of the containing space and the other of which is away from the fixed portion comprises a bended positioning portion such that a photomask can be positioned between the positioning portion set at the two sides of the containing space.

Abstract: The present invention relates to an apparatus of holder of photomask for holding the photomask, which is placed in the transfer box and to be exposed by projecting light during process of manufacturing semiconductor, and more particularly to one being able to prevent the photomask from friction with the protrusions therein in consequence of not creating any dust particle. The holder is made of material of PEEK or VESPEL, which is abrasion resisting and high hardness. On the side of the protrusion is shaped in inclination toward center with the top in long cambered surface as supporting ridge. And, at distal end of the supporting ridge, a pedestal is given to jointly integrate with the holder so that the photomask can be placed thereon. Thus, by means of the supporting ridge with the long cambered surface of the protrusion to uphold photo mask, the contacting area of friction is reduced.

Abstract: A method of manufacturing aluminum frames for photomask protective films comprises the step of: providing a square-shaped hollow or solid strut aluminum material, fastening the bottom end of the aluminum material to a base of a machine tool, using a milling cutter to fabricate and form a hollow trough for a selected depth in the aluminum material from the top surface thereof, and using a cutting tool to cut off the aluminum material at the periphery of the hollow trough to form individual aluminum frames for the photomask protective films. The method of the invention uses fewer chucks and screw bolts during machining, and can reduce chuck setup time and simplify machining processes.

Abstract: A method of manufacturing aluminum frames for photomask protective films comprises the step of: providing a square-shaped hollow or solid strut aluminum material, fastening the bottom end of the aluminum material to a base of a machine tool, using a milling cutter to fabricate and form a hollow trough for a selected depth in the aluminum material from the top surface thereof, and using a cutting tool to cut off the aluminum material at the periphery of the hollow trough to form individual aluminum frames for the photomask protective films. The method of the invention uses fewer chucks and screw bolts during machining, and can reduce chuck setup time and simplify machining processes.