Fujitsu Corporation

Canon Kabushiki Kaisha

University of Yamanashi

Nippon Yakin Kogyo Co., Ltd.

The Furukawa Electric Co., Ltd.

National Institute of Advanced Industrial Science and Technology

Tokyo Institute of Technology

Takayuki Watanabe

Nobuhiro Kumada

Makoto Kubota

Takanori Matsuda

Osamu Suzuki

Jumpei Hayashi

Tomoaki Mochiduki

Hiroshi Funakubo

Takashi Iijima

Ken Kanai

Bong-Yeon Lee

Fugao Wei

Masata Shiino

Jun Sakamoto

A highly corrosion-resistant Ni—Cr Mo—N alloy including in weight %, Ni: 22.0% or more, Cr: 22.0% or more, Mo: 5.0% or more, N: 0.180% or more, Si, Al, Mn, Fe as a remainder, and inevitable impurities, wherein the composition satisfies the following Formulas (1) to (3), and an area ratio of a sigma phase in a cross-sectional structure measured by EBSD after holding at 950° C. for 30 minutes is 1.0% or lessCr+3.3×Mo+16×N≥43.0  (1)7.3×Mo—Ni≤21.0  (2-1)1.3×Cr—Ni≤5.7  (2-2)1.6×Si+0.99×Mn+2.2×Al≤0.95  (3).

Highly corrosion-resistant Ni-Cr-Mo-N alloy having superior phase stability

A duplex stainless steel has reduced precipitation risks of Al nitride and Cr nitride which are undesirable precipitates, and has superior low temperature toughness. The duplex stainless steel has in mass %, indicated as '%', C: 0.001 to 0.030%, Si: 0.05 to 0.5%, S: not more than 0.002%, Ni: 6 to 7.5%, Cr: 23 to 26%, Mo: 2 to 4.0%, N: 0.20 to 0.40%, Al: 0.005 to 0.03%, Mn: 0.05 to 0.3%, B: 0.0001 to 0.0050% and Fe, and the remainder being inevitable impurities. The duplex stainless steel has an impact value of not less than 87.5 J/cmat &#x2212;46&#xb1;2&#xb0; C. as defined in Japanese Industrial Standards Z2242.

Duplex stainless steel having superior low temperature toughness

Provided is a manufacturing method for preferentially-oriented oxide ceramics having a high degree of crystal orientation. The manufacturing method includes: obtaining slurry containing an oxide crystal B having magnetic anisotropy; applying a magnetic field to the oxide crystal B, and obtaining a compact of the oxide crystal B; and subjecting the compact to oxidation treatment to obtain preferentially-oriented oxide ceramics including a compact of an oxide crystal C having a crystal system that is different from a crystal system of one of a part and a whole of the oxide crystal B. By (1) reacting raw materials, (2) reducing the oxide crystal A, or (3) keeping the oxide crystal A at high temperature and quenching the oxide crystal A, the oxide crystal B is obtained to be used in the slurry.

Preferentially-oriented oxide ceramics, piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device

Provided is an oriented piezoelectric material with satisfactory sintering property free of Pb that is a hazardous substance, and a water-soluble alkaline ion, and a production method therefor. To this end, provided is a compound, including a tungsten bronze structure metal oxide, in which: the tungsten bronze structure metal oxide contains at least metal elements of Ba, Bi, Ca, and Nb, the metal elements satisfying the following conditions in terms of molar ratio; and has a C-axis orientation. The compound shows Ba/Nb=a: 0.363&#x3c;a&#x3c;0.399, Bi/Nb=b: 0.0110&#x3c;b&#x3c;0.0650, and Ca/Nb=c: 0.005&#x3c;c&#x3c;0.105. The tungsten bronze structure metal oxide preferably includes (1&#x2212;x).CaBaNbO&#x2212;x.BaBiNbO(0.30&#x2266;x&#x2266;0.95).

Piezoelectric material and production method therefor

Manufacturing method for preferentially-oriented oxide ceramics, preferentially-oriented oxide ceramics, piezoelectric element, liquid discharge head, ultrasonic motor, and dust removing device

Provided is a piezoelectric material which includes a compound free of lead and alkali metal and has a good piezoelectric property. The piezoelectric material where tungsten bronze structure oxides being free of lead and alkali metal and represented by ABOand A'B&#x2032;Oare combined to form a morphotropic phase boundary has good piezoelectric property. The ABOis b(BaBiNbO)+(1&#x2212;b)(BaAgNbO) (0&#x2266;b&#x2266;1 and 0&#x3c;&#x3b1;&#x2266;0.4), and the A&#x2032;B&#x2032;Ois c(SrNbO)+d(CaNbO)+e(BaNbO) (0&#x2266;c&#x2266;0.8, 0&#x2266;d&#x2266;0.4, 0.1&#x2266;e&#x2266;0.9, and c+d+e=1).

Piezoelectric material

An optical connector housing includes: a housing portion, which is capable of housing an optical connector having an arm retuning to a given posture by an elastic force of the arm, and which includes an exposure opening exposing an end portion of the housed optical connector; a stopper which restricts the optical connector from moving forward in an axial direction of the optical connector at such a position that the end portion of the optical connector projects from the exposure opening; and a push member which pushes the arm forward in the axial direction and which permits the housed optical connector to move backward in the axial direction.

Optical connector housing, optical connector connecting device, and electronic apparatus

A skew correction apparatus for increasing the data transfer capacity and thus improving the system performance, by making it possible to carry out the deskew work even during the data transfer, is disclosed. The skew correction apparatus receives a plurality of serial data in synchronism, and reduces the skew mount constituting a phase shift between the serial data. A first correction unit () detects a skew between the serial data and corrects the skew during the idle time. A second skew correction unit () detects a skew between the serial data and corrects the skew during the data transmission.

Skew correction apparatus

Parallel synchronous pattern signals are transmitted from other side in a plurality of parallel data channels. A skew data reception unit converts the received parallel pattern signals into electric signals in the respective parallel data channels. A skew detection circuit serves to detect the length of a skew between the parallel data channels. A skew correction circuit serves to correct and eliminate the skew in parallel data signals, transmitted from the other side, between the parallel data channels based on the detected skew. The data signals without skews are output from the skew data reception unit.

Parallel optical transmission/reception module

To provide a package structure for securing a satisfactory optical coupling between an optical device arranged beforehand on a printed board and an optical device newly mounted on the particular printed board. Positioning LDs and are arranged on a printed board . A sensing PD for receiving the optical signal emitted from the positioning LD and a sensing PD for receiving the optical signal emitted from the positioning LD are arranged in an OEIC package mounted on the printed board.

Semiconductor parts and semiconductor mounting apparatus

To provide a package structure for securing a satisfactory optical coupling between an optical device arranged beforehand on a printed board and an optical device newly mounted on the particular printed board. Positioning LDs and are arranged on a printed board A sensing PD for receiving the optical signal emitted from the positioning LD and a sensing PD for receiving the optical signal emitted from the positioning LD are arranged in an OEIC package mounted on the printed board.

An optoelectronic integrated circuit device which has less signal damping and signal transmission loss is provided. The optoelectronic integrated circuit device of the present invention includes a first optoelectronic integrated circuit and a second optoelectronic integrated circuit. Each of the first optoelectronic integrated circuit and the second optoelectronic integrated circuit includes an electric circuit unit, an optical output terminal unit, and an optical input terminal unit. The first optoelectronic integrated circuit and the second optoelectronic integrated circuit are arranged so that each optical output terminal unit faces each corresponding optical input terminal unit. In this arrangement, light signal transmission can be carried out between a plurality of optoelectronic integrated circuit devices. Thus, signal damping and transmission loss can be reduced, and signal transmission delay time can be shortened.

Optoelectronic integrated circuit device

The prevent invention relates to a collective connection structure, optical connector arraying member, and adapter, which are suitable for application in the field of optical transmission, and which are able to collectively, easily and accurately connect a plurality of optical connectors with fewer number of parts. Optical connectors (,) through (,) and (,) through (,) corresponding to the first and second plugs (,) and (,) are arrayed and accommodated in a float-like state. The tip ends of the respective optical connectors protrude from the tip end of the first and second plugs (,) and (,) corresponding thereto. The connection end face (,) side of the respective optical connector groups (,) and (,) is inserted from both sides of the adapter (,) along guides (,) and (,) at both sides of the adapter (,). The optical connectors of the respective connection pairs are position-regulated in the X direction orthogonal to the optical axis and Y direction, thereby causing the axes to be matched, wherein the optical connector groups (,) and (,) are collectively connected via the adapter (,).

Growing community of inventors

Kawasaki, Japan

Takayuki Watanabe