摘要:
A guide is disclosed for guiding a slider for use in precision working or measuring machines operating with very high accuracy. The sliding guide according to the invention is made of a ceramic hollow body whose sectional dimension ratio is less than 0.8, thereby minimizing deformations of the guide and making it light and is provided with a high damping material received in or attached into a hollow cavity of the guide, thereby remarkably improving its vibration damping capacity.
摘要:
A polyurethane resin composition comprising (A) a polycarbonate base polyurethane resin, (B) a P and N-containing non-halogen flame retardant, (C) a polyhydric alcohol, and (D) a silicone containing at least two reactive functional groups in the molecule obviates the problems of safety, environment and price and has sufficient flame retardance and improved mechanical properties such as tensile strength and elongation.
摘要:
A cold-cathode discharge display device which includes a fluorescent tube and electrodes containing R.sub.2 O.sub.3-z, where R is an atom or an atom group of rare earth elements, O is oxygen, and z is 0.0 to 1.0, to perform field emission of electrons and emission of secondary electrons. The electrodes are generated with an electron emitting film containing rare earth elements.
摘要翻译:一种冷阴极放电显示装置,包括荧光管和含有R 2 O 3 -z的电极,其中R是稀土元素的原子或原子团,O为氧,z为0.0至1.0,以进行电子的场发射 和二次电子的发射。 电极由含有稀土元素的电子发射膜产生。
摘要:
A ceramic block with a built in electrode, including a first insulating ceramic sheet having a bearing surface, a sheet electrode having an inner edge and extending generally parallel to the bearing surface, a second insulating ceramic sheet disposed to enclose the sheet electrode between the second insulating ceramic sheet and the first insulating ceramic sheet, and a cylindrical, thin film shaped drawn-out conductor perpendicularly connected to the inner edge of the sheet electrode to supply voltage to the sheet electrode. The drawn-out conductor is attached to the inner wall of a through hole of the second insulating ceramic sheet, and an insulating ceramic shaft is packed into the through hole.
摘要:
A process for refining vegetable oil from a miscella obtained by extraction of vegetable seeds with an organic solvent, which comprises permeating the miscella through an ultrafilter made of an inorganic microporous membrane having a pore size of from 30 to 100 .ANG. in a state heated at a temperature of from 50.degree. to 120.degree. C. to remove impurities contained in the miscella.
摘要:
In the present invention, a ceramic vacuum chuck 2 having an upper surface for adsorbing a substrate is formed from a colored ceramic sintered body comprising 55-75% by weight alumina (Al2O3), at least 3% by weight Si in terms of oxide (SiO2), at least 0.4% by weight Ca in terms of oxide (CaO), at least 0.4% by weight Mg in terms of oxide (MgO), coloring agent, and 1% or less of impurities. A plurality of pins 4 for supporting the substrate, and a rim 6 are formed on the upper surface by shot blasting using abrasive grains, and the whole of the upper surface is shot peened using spherical particles.
摘要翻译:在本发明中,具有用于吸附基板的上表面的陶瓷真空吸盘2由着色陶瓷烧结体形成,所述着色陶瓷烧结体包含55-75重量%的氧化铝(Al 2 O 3),至少3重量%的Si(以氧化物计) SiO 2),以氧化物(CaO)计为至少0.4重量%的Ca,以氧化物(MgO)计为至少0.4重量%的Mg,着色剂和1质量%以下的杂质。 用于支撑基板的多个销4和边缘6通过使用磨料颗粒的喷丸形成在上表面上,并且整个上表面使用球形颗粒喷丸硬化。
摘要:
A polyurethane resin composition comprising (A) a polycarbonate base polyurethane resin, (B) a P and N-containing non-halogen flame retardant, (C) a polyhydric alcohol, and (D) a silicone containing at least two reactive functional groups in the molecule obviates the problems of safety, environment and price and has sufficient flame retardance and improved mechanical properties such as tensile strength and elongation.
摘要:
A ceramic block with a built in electrode, including a first insulating ceramic sheet having a bearing surface, a sheet electrode having an inner edge and extending generally parallel to the bearing surface, a second insulating ceramic sheet disposed to enclose the sheet electrode between the second insulating ceramic sheet and the first insulating ceramic sheet, and a cylindrical, thin film shaped drawn-out conductor perpendicularly connected to the inner edge of the sheet electrode to supply voltage to the sheet electrode. The drawn-out conductor is attached to the inner wall of a through hole of the second insulating ceramic sheet, and an insulating ceramic shaft is packed into the through hole.
摘要:
An yttrium film is formed on the surface of a substrate made of an Ni—Cr-based material by deposition or sputtering using resistance heating or an electron beam. The yttrium film is heated in an inert gas atmosphere containing a very small amount of hydrogen to hydrogenate yttrium. The resultant yttrium hydride is excellent as a cold emission material for a cold emission electrode and can be used for a cold emission discharge fluorescent tube.
摘要:
A method of manufacturing a cold-cathode for a discharging device by forming a film containing a rare earth element on a base plate; and oxidizing said rare earth element of said film. The oxidizing step can be accomplished by heating the rare earth element of said film in a gas atmosphere containing oxygen and/or oxygen-containing substance in a concentration of 1% or less by volume.