Hoya Corporation

Sanyo Denki Co., Ltd.

Masashi Nomura

Yuuichi Yokoyama

Hideyuki Futamura

Yuichi Yokoyama

Katsumichi Ishihara

Niro Tarumi

Takeyuki Sawamoto

Noriyuki Shoji

Makoto Tsuchiya

Tomoko Hayashi

Block components having a conductive property are mounted on lands for connection to a harness so as to increase the height of the lands on a circuit board which is to be connected to windings.

Assembly method of an inline type fan motor

A method for producing 2-hydroxyethyl methacrylate polymers comprising polymerizing 2-hydroxyethyl methacrylate or a monomer mixture thereof containing a halogen compound thorough radical polymerization; method for producing hydrogels comprising subjecting the polymers to a water-imparting treatment; method for producing water-containing soft contact lenses comprising molding the polymers into a shape of contact lens and subjecting them to a water-imparting treatment and method for producing polymers comprising treating at least molding surfaces of molds, which form a cavity of contact lens shape, with a halogen compound and polymerizing 2-hydroxyethyl methacrylate or a monomer mixture thereof in the cavity through radical polymerization are disclosed. According to the present invention, water-containing soft contact lenses with high heat resistance and intermediates therefor are obtained from 2-hydroxyethyl methacrylate of high purity.

Methods for producing 2-hydroxyethyl methacrylate polymer, hydrogel and

Provided is a soft contact lens obtained by visible ray polymerization of a mixture comprising one or more of unsaturated carboxylic acid(s) and one or more visible ray polymerization initiator(s), or a mixture comprising one or more of unsaturated carboxylic acid(s), one or more of unsaturated carboxylate(s) and one or more of visible ray polymerization initiator(s).

Material for contact lens and contact lens prepared therefrom

Contact lens

A contact lens material which is suitable for producing a contact lens having intermediate and low hydrous nature and which has hardness suitable for machining by cutting and polishing, is formed of a copolymer obtained by copolymerizing a monomer mixture which contains, based on 100 parts by weight of the monomer mixture, 35 to 65 parts by weight of at least one fluorine-containing monomer of the formula (I), ##STR1## wherein R.sub.1 is CH.sub.3, R.sub.2 is H or CH.sub.3, a is an integer of 1 to 9, m is an integer of 1 to 5, n is an integer of 4 to 10, p is an integer of 8 or greater, q is an integer of 0 or greater, and p, q and n have the relationship of p+q=2n+1, and 30 to 45 parts by weight of at least one amide group-containing monomer as essential components and which also contains other monomer as an optional component. The contact lens is obtained from the above contact lens material.

Contact lens material and contact lens

The contact lens of the present invention consisting of a polymer comprising, as an essential component, at least one fluorine-containing monomer represented by the general formula ##STR1## (R.sub.1 and R.sub.2 are independently H or CH.sub.3 and may be the same or different, l is an integer of 1-5, m is an integer of 1-2, n is an integer of 4-10, p is an integer of 8 or more, q is an integer of 0 or more, and p+q=2n+1), has high transparency, improved oxygen permeability, flexibility, hydrophilicity and no water absorbability.

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Kodama, Japan

Masashi Nomura