Nippon Steel Corporation

Oki Electric Industry Co., Ltd.

Oki Semiconductor Co., Ltd.

Nippon Steel Sumitomo Metal Corporation

Siltronic Ag

Wacker Nsce Corporation

Wataru Ohashi

Tomokazu Komazaki

Yoshiaki Fujita

Hajime Shimamura

Masami Temma

Takeshi Kubota

Masafumi Miyazaki

Yousuke Kurosaki

Yoshihiro Arita

Seiki Takebayashi

Teruyuki Tamaki

Yuichi Sato

Kazutoshi Takeda

Hiroshi Harada

Toshio Yamada

Yutaka Matsumoto

Kenichi Yamamoto

Kaoru Kawasaki

Katsuhiro Sasai

Kazuhiko Tsutsumi

Takeyoshi Ninomiya

Kaoru Ito

Yutaka Kishida

Tooru Matsumiya

Junji Nakashima

Katsushige Matsuzaki

Yoshitaka Yamana

Izumi Matsushita

Yoshiaki Kimura

Shinya Nariki

Kenji Kawahito

Tatsunori Sunagawa

Junji Omori

Shoichi Osada

Kiyoshi Aritome

Yoshimasa Ikeda

Fumihiko Hasegawa

Noritane Tsugane

Michimasa Sasaki

Toshiaki Kurihara

Akira Matsushita

Ichiro Tanaka

Yoshiaki Natori

Keiichi Kimura

Masahiro Fujikura

Hiroyoshi Yashiki

Hideaki Yamamura

Takashi Sawai

Masamoto Tanaka

Kazushige Noguchi

Satoshi Yamashita

Tomohiro Konno

Atsushi Ikari

Hisanori Ehara

Hiroki Hori

Satoshi Terada

Akihito Kiyose

Koichi Kirishiki

Ken-ichiro Miyamoto

Masami Hasebe

Katsuhiko Nakai

Hikaru Sakamoto

Taizo Hoshino

Toshio Iwasaki

Hideo Hagiwara

This non-oriented electrical steel sheet includes a base material having a chemical composition containing, by mass %, C: 0 to 0.0050%, Si: 3.8 to 4.9%, Mn: 0.05 to 1.20%, sol. Al: more than 0.02% and 0.50% or less, P: 0 to 0.030%, S: 0 to 0.0030%, N: 0 to 0.0030%, Ti: 0% or more and less than 0.0050%, Nb: 0% or more and less than 0.0050%, Zr: 0% or more and less than 0.0050%, V: 0% or more and less than 0.0050%, Cu: 0% or more and less than 0.200%, Ni: 0% or more and less than 0.500%, Sn: 0 to 0.100%, Sb: 0 to 0.100%, and the balance: Fe and impurities, wherein the non-oriented electrical steel sheet satisfies [4.3≤Si+sol. Al+0.5×Mn≤5.0], [B(0°)−B(45°)≤0.16], and [B(0°)+2×B(45°)+B(90°)/4≥1.57], and has tensile strength of 580 MPa or greater.

Non-oriented electrical steel sheet and manufacturing method therefor

A metal tape material contains a metal having face centered cubic lattice structure, in which metal tape material an area fraction Aof a preferentially &#x3c;100&#x3e;oriented region are within an orientation difference of 15&#xb0; C. relative to a thickness direction of the metal tape material and further within an orientation difference of 15&#xb0; C. relative to a first in-plane direction of the metal tape material is 60% or greater and not greater than 100%, and, where an area fraction of a preferentially &#x3c;212&#x3e;oriented region are within an orientation difference of 15&#xb0; relative to the thickness direction and further within an orientation difference of 15&#xb0; relative to the first in-plane direction is defined as A, the total of the area fraction of the preferentially &#x3c;212&#x3e;oriented region and the area fraction of the preferentially &#x3c;100&#x3e;oriented region, A+A, is greater than 70% and not greater than 100%.

Metal tape material and interconnector for solar module current collection

The present invention provides ultralow carbon thin gauge steel sheet and a method for producing the same where coalescence and growth of inclusions in the molten steel are prevented and the inclusions are finely dispersed in the steel sheet, whereby surface defects and cracks at the time of press forming are prevented, growth of recrystallized grains at the time of continuous annealing is promoted, and a high r value (r value&#x2267;2.0) and elongation (total elongation&#x2267;50%) are exhibited, that is, ultralow carbon thin gauge steel sheet excellent in surface conditions, formability, and workability comprised of, by mass %, 0.00030.003%&#x2266;C&#x2266;0.003%, Si&#x2266;0.01%, Mn&#x2266;0.1%, P&#x2266;0.02%, S&#x2266;0.01%, 0.0005%&#x2266;N&#x2266;0.0025%, 0.01%&#x2266;acid soluble Ti&#x2266;0.07%, acid soluble Al&#x2266;0.003%, and 0.002%&#x2266;La+Ce+Nd&#x2266;0.02% and a balance of iron and unavoidable impurities, said steel sheet characterized by containing at least cerium oxysulfite, lanthanum oxysulfite, and neodymium oxysulfite.

Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same

The present invention provides tough cast iron and cast iron semi-finished products excellent in workability without heat treatment requiring massive heat energy and long time and a method of production enabling these to be efficiently produced, that is, cast iron of ingredients of white cast iron where particles of spheroidal graphite or flattened graphite are dispersed, cast iron where the ingredients of the white cast iron satisfy, by wt %, (% C)&#x2266;4.3&#x2212;(% Si)&#xf7;3 and C&#x2267;1.7% and where the particles of spheroidal graphite are dispersed at a density of 50 particles/mmor more, or cast iron where the particles of flattened graphite have a width of 0.4 mm or less and a length of 50 mm or less.

Cast iron semi-finished product excellent in workability and method of production of the same

The present invention provides a low carbon steel sheet and a low carbon steel slab on which formation of surface defects can be surely prevented by preventing aggregation of inclusions in the molten steel and finely dispersing inclusions in the steel sheet or slab, and a process for producing the steel sheet and slab. The present invention provides a process comprising the steps of decarburizing a molten steel so as to produce a carbon concentration of up to 0.01% by mass, pre-deoxidizing the molten steel by adding Al thereto so as to produce a dissolved oxygen concentration from 0.01 to 0.04% by mass, adding thereto Ti and at least La and/or Ce, and casting the molten steel, and a steel sheet and a steel slab obtained by the process.

Low carbon steel sheet and low carbon steel slab and process for producing same

A branching filter package has a SAW filter chip housing area which houses a piezo electric base, on which a transmitting SAW filter and a receiving SAW filter having a different frequency passing band with each other, are formed, and an impedance matching circuit and a branching circuit for the transmitting SAW filter and the receiving SAW filter.

Branching filter package

Non-oriented electrical steel sheet superior in core loss characterized by containing, by mass %, C: 0.01% or less, Si: 0.1% to 7.0%, Al: 0.1% to 3.0%, Mn: 0.1% to 2.0%, N: 0.005% or less, Ti: 0.02% or less, REM: 0.05% or less, S: 0.005% or less, O: 0.005% or less, and a balance of iron and unavoidable impurities and having a mass % of S shown by [S], a mass % of O shown by [O], a mass % of REM shown by [REM], a mass % of Ti shown by [Ti], and a mass % of N shown by [N] satisfying [Formula 1] and [Formula 2]:[REM]&#xd7;[O]&#xd7;[S]&#x2267;1&#xd7;10&#x2003;&#x2003;[Formula 1]([REM]&#xd7;[O]&#xd7;[S])&#xf7;([Ti]&#xd7;[N])&#x2267;1&#xd7;10&#x2003;&#x2003;[Formula 2].

Non-oriented electrical steel superior in core loss

A non-oriented electrical steel sheet is characterized in that the number density of inclusions with an equivalent volume diameter of less than 100 nm contained in the steel sheet is 1&#xd7;10[/mm] or less, and that the steel sheet contains, by mass %, C: up to 0.01%, Si: 0.1% to 7.0%. Al: 0.1% to 3.0%. Mn: 0.1% to 2.0%, REM: 0.0003% to 0.05%. Ti: up to 0.02%. S: up to 0.005%. and N: up to 0.005%. the balance Fe and inevitable impurities and the mass % of Al represented by [Al] and the mass % of Ti represented by [Ti] satisfy the equation log([Ti]&#xd7;[N])&#x2212;1.19&#xd7;log([Al]&#xd7;[N])+1.84&#x3e;0 . . . (1).

Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof

A high-performance SAW filter is to be provided which has lower insertion loss in a pass band and high attenuation in an attenuation band on the low frequency side of the pass band. In a SAW filter with attenuation poles configured of a two-port circuit for filtering for forming a ladder type SAW filter using a SAW resonator and a two-port circuit for impedance formed of an impedance serially connected, the impedance of the two-port circuit for impedance is configured so as to form an attenuation band of a predetermined width having a sufficient attenuation characteristic on the low frequency side of a pass band.

Surface acoustic wave filter with attenuation poles

Growing community of inventors

Tokyo, Japan

Wataru Ohashi