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Fujikoshi Machinery Corp
Fujikoshi Machinery Corporation

Fujikoshi Machinery Corp patents


Recent patent applications related to Fujikoshi Machinery Corp. Fujikoshi Machinery Corp is listed as an Agent/Assignee. Note: Fujikoshi Machinery Corp may have other listings under different names/spellings. We're not affiliated with Fujikoshi Machinery Corp, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Fujikoshi Machinery Corp-related inventors


Apparatus and method for producing gallium oxide crystal

The apparatus for producing a gallium oxide crystal relating to the invention contains a vertical bridgman furnace containing: a base body; a cylindrical furnace body having heat resistance disposed above the base body; a lid member occluding the furnace body; a heater disposed inside the furnace body; a crucible shaft provided vertically movably through the base body; and a crucible disposed on the crucible shaft, heated with the heater, the crucible is a crucible containing a pt-based alloy, the furnace body has an inner wall that is formed as a heat-resistant wall containing plural ring shaped heat-resistant members each having a prescribed height accumulated on each other, and the ring shaped heat-resistant members each contain plural divided pieces that are joined to each other to the ring shape.. . ... Fujikoshi Machinery Corp

Polishing apparatus and wafer polishing method

A polishing apparatus which is an index system polishing apparatus which includes a polishing head for holding a wafer, a plurality of turn tables to which polishing pads for polishing the wafer are attached, and a loading/unloading stage for loading the wafer to the polishing head or unloading the wafer from the polishing head, and which polishes the wafer while switching the turn tables to be used for polishing the wafer held at the polishing head by causing the polishing head to perform rotation movement, the polishing apparatus including a turn table upward and downward movement mechanism which allows the turn table to move upward and downward. With this polishing apparatus, it is possible to reduce an amount of displacement caused when moment load is applied on the polishing head during polishing.. ... Fujikoshi Machinery Corp

Turn table transport carriage

A turn table transport carriage configured to carry a turn table removed from a polishing apparatus or turn table which is to be disposed to the polishing apparatus, turn table transport carriage including a turn table holding section configured to hold the turn table, support base which supports the turn table holding section from a lower side, elevating mechanism which moves up and down the turn table holding section, and inclination mechanism which inclines the turn table holding section holding the turn table, the turn table transport carriage being characterized by enabling carrying the turn table in a state where the turn table holding section holding the turn table is inclined by the inclination mechanism. Consequently, there is provided the turn table transport carriage which has a narrow width at the time of carrying the turn table and can reduce a width of a passage for carrying the turntable.. ... Fujikoshi Machinery Corp

Polishing apparatus

A polishing apparatus includes: a plurality of polishing heads for holding a wafer, a polishing pad for polishing the wafer, a rotatable turn table having the polishing pad attached thereto, a turn table driving mechanism for rotating the turn table, a plurality of wafer-detecting sensors for detecting coming off of the wafer from the polishing head during polishing, wherein the polishing apparatus has the wafer-detecting sensor disposed above peripheral portions of the respective polishing heads and on each downstream side in a rotation direction of the turn table with respect to the respective polishing heads. The polishing apparatus can detect coming off of a wafer from a polishing head during polishing more rapidly, and can prevent a breakage of the wafer thereby.. ... Fujikoshi Machinery Corp

Dressing apparatus and dressing method of polishing pad of double-side polishing apparatus

To provide a dressing apparatus capable of uniformly dressing a polishing pad. The apparatus includes first and second dressing grind stones 51 and 52 which grind polishing pads 17 and 18 by moving in a radial direction of upper and lower polishing plates 12 and 14 while abutting on corresponding polishing pads 17 and 18, in which the first and second dressing grind stones 51 and 52 are set so as to have: an inner side region portion p; an outer side region portion q; and an intermediate region portion r, wherein the length of each of the inner side region portion p and the outer side region portion q extending in a circumferential direction of the polishing plates 12 and 14 is longer than the length of the intermediate region portion r extending in a circumferential direction of the polishing plates.. ... Fujikoshi Machinery Corp








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