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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2004264644A1
System to generate therapeutic radiation
Publication/Patent Number: US2004264644A1 Publication Date: 2004-12-30 Application Number: 10/610,853 Filing Date: 2003-06-30 Inventor: Goebel, Herbert   Schuster, Manfred Richard   Assignee: Goebel, Herbert   Schuster, Manfred Richard   IPC: H05H001/00 Abstract: Some embodiments include a ring anode to emit radiation, and a conical monochromator to monochromatize the emitted radiation. According to some aspects, an outer diameter of the ring anode is greater than an outer diameter of a base of the monochromator.
2 US2004264646A1
X-ray system with a beam-gating diaphragm, and method for automatic adjustment thereof
Publication/Patent Number: US2004264646A1 Publication Date: 2004-12-30 Application Number: 10/841,339 Filing Date: 2004-05-07 Inventor: Spahn, Martin   Assignee: Spahn, Martin   IPC: G21K001/12 Abstract: In a method for automatic adjustment of a diaphragm in an x-ray system, the diaphragm having a number of adjustable diaphragm elements for a subsequent x-ray exposure of an examination subject, the individual diaphragm elements are respectively positioned such that, considered in a projection lying in a detector plane, abut the contours of the acquisition subject or are situated at a small distance therefrom for this positioning, first a subject localization exposure is generated with a low radiation dose with an open diaphragm. This subject localization exposure is analyzed to determine contours of the exposure subject. The positions of the diaphragm elements are calculated using the determined contours, and then the diaphragm elements are moved into the calculated positions. In a method for automatic adjustment of a diaphragm in an x-ray system, the diaphragm having a number of adjustable diaphragm elements for a subsequent x-ray exposure of an examination subject, the individual diaphragm elements are respectively positioned such that, considered ...More ...Less
3 US2004264827A1
Optical modulator
Publication/Patent Number: US2004264827A1 Publication Date: 2004-12-30 Application Number: 10/485,428 Filing Date: 2004-08-06 Inventor: Ichikawa, Junichiro   Fujita, Takahisa   Yamane, Yuji   Miyazaki, Norikazu   Sakuma, Mitsuru   Assignee: Ichikawa, Junichiro   Fujita, Takahisa   Yamane, Yuji   Miyazaki, Norikazu   Sakuma, Mitsuru   IPC: G02F001/035 Abstract: Present invention offers an optical modulator capable of efficiently transmitting electric signals to an acting portion of a signal electrode with acting on an optical waveguide even when the electric signals are in high frequency zone, and capable of performing high frequency broad band operation. The optic modulator comprises a substrate 1 formed of a material having electro-optical effect, an optical waveguide formed on the substrate, and an electrode 3 for modulating the light passing through the optical waveguide. The optical modulator is characterized in that an electric signal connection pad unit 6 is provided on a part of the electrode, and in that the thickness of the substrate which is located at least on a lower part of the electric signal connection pad unit 6 and directly or indirectly continuous to the electric signal connection pad unit 6 is thinner than the thickness of other parts of the substrate. Present invention offers an optical modulator capable of efficiently transmitting electric signals to an acting portion of a signal electrode with acting on an optical waveguide even when the electric signals are in high frequency zone, and capable of performing high frequency ...More ...Less
4 US2004264832A1
Optical waveguide device, and a travelling wave form optical modulator
Publication/Patent Number: US2004264832A1 Publication Date: 2004-12-30 Application Number: 10/495,340 Filing Date: 2004-05-20 Inventor: Kondo, Jungo   Kondo, Atsuo   Aoki, Kenji   Mitomi, Osamu   Assignee: Kondo, Jungo   Kondo, Atsuo   Aoki, Kenji   Mitomi, Osamu   IPC: G02B006/12 Abstract: An optical waveguide device 1 has an optical waveguide substrate 19, a supporting body 2 for supporting the substrate 19 and a joining layer 3 for joining the substrate 19 and the supporting body 2. The substrate 19 has a flat plate-shaped main body 4 made of an electro-optic material with a thickness of 30 &mgr;m or smaller and having first and second main faces 4a and 4b opposing each other, an optical waveguide provided on the side of the first main face 4a of the main body 4, and electrodes 7A to 7C provided on the side of the first main face 4a of the main body 4. The joining layer 3 joins the supporting body 2 at a joining face 4d and the second main face 4d of the main body 4. The joining face 2a of the supporting body 2 is substantially flat. Alternatively, the joining layer 3 has a thickness of 200 &mgr;m or lower. An optical waveguide device 1 has an optical waveguide substrate 19, a supporting body 2 for supporting the substrate 19 and a joining layer 3 for joining the substrate 19 and the supporting body 2. The substrate 19 has a flat plate-shaped main body 4 made of an electro-optic ...More ...Less
5 US2004264840A1
Guided-wave optical interconnections embedded within a microelectronic wafer-level batch package
Publication/Patent Number: US2004264840A1 Publication Date: 2004-12-30 Application Number: 10/895,685 Filing Date: 2004-07-21 Inventor: Mule, Tony   Patel, Chirag   Meindl, James D.   Gaylord, Thomas K.   Glytsis, Elias N.   Martin, Kevin P.   Schultz, Stephen M.   Bakir, Muhannad   Reed, Hollie   Kohl, Paul   Assignee: Mule, Tony   Patel, Chirag   Meindl, James D.   Gaylord, Thomas K.   Glytsis, Elias N.   Martin, Kevin P.   Schultz, Stephen M.   Bakir, Muhannad   Reed, Hollie   Kohl, Paul   IPC: G02B006/12 Abstract: Wafer-level electronic packages having waveguides and methods of fabricating chip-level electronic packages having waveguides are disclosed. A representative chip-level electronic package includes at least one waveguide having a waveguide core. In addition, another representative chip-level electronic package includes a waveguide having an air-gap cladding layer around a portion of the waveguide core. A representative method for fabricating a chip-level electronic package includes: providing a substrate having a passivation layer disposed on the substrate; disposing a waveguide core on a portion of the passivation layer; disposing a first sacrificial layer onto at least one portion of the passivation layer and the waveguide core; disposing an overcoat layer onto the passivation layer and the first sacrificial layer; and removing the first sacrificial layer to define an air-gap cladding layer within the overcoat polymer layer and around a portion of the waveguide core. Wafer-level electronic packages having waveguides and methods of fabricating chip-level electronic packages having waveguides are disclosed. A representative chip-level electronic package includes at least one waveguide having a waveguide core. In addition, another ...More ...Less
6 US2004264843A1
Optically powered optically controlled optical switch
Publication/Patent Number: US2004264843A1 Publication Date: 2004-12-30 Application Number: 10/894,320 Filing Date: 2004-07-19 Inventor: Leonczuk, Tomasz   Chang, Samuel   Pradzynski, Krzysztof   Barker, Charles   Assignee: Leonczuk, Tomasz   Chang, Samuel   Pradzynski, Krzysztof   Barker, Charles   IPC: G02B006/26 Abstract: Systems and methods are described for optically powered optically controlled optical switches. A method includes powering an optical switch with a communications data signal; and controlling the optical switch with the communications data signal. An apparatus includes a primary optical input port; a secondary optical input port; an optical tap coupled to the primary optical input port; an optical switch coupled to the optical tap and to the secondary optical input port; an optical-to-electrical signal converter coupled to the optical tap; a control circuit coupled to the optical-to-electrical signal converter and to the optical switch; an electrical energy storage circuit coupled to the control circuit; an optical-to-electrical power converter coupled to the electrical energy storage circuit and to the optical switch; and an optical output port coupled to the optical switch, wherein the optical-to-electrical signal converter can transform, to electrical energy, optical energy from a communications data signal that arrives at the optical tap. Systems and methods are described for optically powered optically controlled optical switches. A method includes powering an optical switch with a communications data signal; and controlling the optical switch with the communications data signal. An apparatus includes a primary ...More ...Less
7 US2004264852A1
OPTICAL FIBER LIGHT-TRANSMISSIVE STRUCTURE
Publication/Patent Number: US2004264852A1 Publication Date: 2004-12-30 Application Number: 10/601,885 Filing Date: 2003-06-24 Inventor: Tang, Tai-ning   Assignee: Tang, Tai-ning   IPC: G02B006/26 Abstract: An optical fiber light-transmissive structure especially suitable for decorative objects and capable of displaying splendid light effects, is formed by rolling process applied at any appropriate position of an optical fiber cord, so as to produce sophisticated changes at refracting planes at an interior of the optical fiber cord. Using the structure according to the invention, light beams entering into an input end of the optical fiber cord are able to show dazzling light effects at a light-emitting segment formed, thereby achieving results such as increasing a light-emitting area thereof, providing flexible arrangement of the light-emitting segment, and displaying artistic and lively light effects. An optical fiber light-transmissive structure especially suitable for decorative objects and capable of displaying splendid light effects, is formed by rolling process applied at any appropriate position of an optical fiber cord, so as to produce sophisticated changes at ...More ...Less
8 US2004264865A1
Optical fiber array block embedding optical device therein
Publication/Patent Number: US2004264865A1 Publication Date: 2004-12-30 Application Number: 10/493,640 Filing Date: 2004-04-22 Inventor: Joo, Gwan Chong   Choi, Jae Shik   Yang, Jin Se   Kim, Sang Mo   Ji, Kwang Soon   Kim, Eok Yeun   Chung, Ki Woo   Kim, Eun Ha   Kim, Do Hoon   Song, Kyung Soo   Lee, Ji Yeon   Assignee: Joo, Gwan Chong   Choi, Jae Shik   Yang, Jin Se   Kim, Sang Mo   Ji, Kwang Soon   Kim, Eok Yeun   Chung, Ki Woo   Kim, Eun Ha   Kim, Do Hoon   Song, Kyung Soo   Lee, Ji Yeon   IPC: G02B006/43 Abstract: An optical fiber array block includes at least one optical waveguide having an optical fiber zone, and an optical device. An optical signal leakage window is formed at the optical waveguide, and the optical device corresponds to the optical signal leakage window. If the optical signal leakage window is formed at an optical fiber comprising a core and a clad layer, the clad layer is partially removed or is partially connected to the core by means of tan ion implantation technique. Thus, the clad layer has a refractive index that is similar to that of the core. An optical fiber array block includes at least one optical waveguide having an optical fiber zone, and an optical device. An optical signal leakage window is formed at the optical waveguide, and the optical device corresponds to the optical signal leakage window. If the optical ...More ...Less
9 US2004264873A1
Fiber optic connector holder and method
Publication/Patent Number: US2004264873A1 Publication Date: 2004-12-30 Application Number: 10/610,325 Filing Date: 2003-06-30 Inventor: Smith, Trevor D.   Tinucci, Thomas C.   Walters, Cindy S.   Conroy, James W.   Assignee: Smith, Trevor D.   Tinucci, Thomas C.   Walters, Cindy S.   Conroy, James W.   IPC: G02B006/36 Abstract: The present invention relates to a fiber optic connector holder sized to fit within an opening for mounting a fiber optic adapter. The fiber optic connector holder is configured to permit a fiber optic connector with a dust cap positioned about a ferrule and a polished end face of an optical fiber held by the ferrule to be inserted within and releasably held by the connector holder. The present invention further relates to a system for holding fiber optic connectors including a fiber optic connector holder mounted within an opening in a bulkhead for mounting a fiber optic adapter. The fiber optic connector holder is configured to receive a fiber optic connector with a dust cap mounted about a ferrule and polished end face of an optical fiber held by the ferrule. The present invention also relates to a method of holding an optical fiber connector to a bulkhead, when the fiber optic connector includes a dust cap mounted about a ferrule and a polished end face of an optical fiber held by the ferrule. The present invention relates to a fiber optic connector holder sized to fit within an opening for mounting a fiber optic adapter. The fiber optic connector holder is configured to permit a fiber optic connector with a dust cap positioned about a ferrule and a polished end face ...More ...Less
10 US2004264880A1
OPTICAL FIBER CABLE CONNECTOR ASSEMBLY WITH STRAIN RELIEF
Publication/Patent Number: US2004264880A1 Publication Date: 2004-12-30 Application Number: 10/606,413 Filing Date: 2003-06-26 Inventor: Miller, Jeffrey   Warych, Edward   Assignee: Fitel USA Corp.   IPC: G02B006/36 Abstract: A connector system for terminating an optical fiber cable having a protective outer jacket. The system includes a connector plug and a crimp insert having an axial bore. A distal end of the insert is formed to be joined to a proximal end of the connector plug. A first portion of the insert bore has a diameter corresponding to an outside diameter of the cable jacket. A second portion of the insert bore has a diameter corresponding to an outer diameter of an unjacketed end of the cable. The insert deforms when crimped at axially spaced positions on its periphery, corresponding to the first and the second portions of the insert bore. Thus, both the outer jacket and the unjacketed end of the cable are restrained from axial movement with respect to the joined insert and connector plug. A connector system for terminating an optical fiber cable having a protective outer jacket. The system includes a connector plug and a crimp insert having an axial bore. A distal end of the insert is formed to be joined to a proximal end of the connector plug. A first portion of ...More ...Less
11 US2004264882A1
Optical transmission module
Publication/Patent Number: US2004264882A1 Publication Date: 2004-12-30 Application Number: 10/631,411 Filing Date: 2003-07-30 Inventor: Torigoe, Makoto   Kawamoto, Kazumi   Suga, Takashi   Sasaki, Hiroyasu   Goto, Fumitoshi   Assignee: OpNext Japan, Inc.   IPC: G02B006/42 Abstract: The present invention relates to an optical transmission module comprising two substrates, each of which has an electronic part mounted on the substrate and a terminal area for inputting/outputting an electric signal into/from the electronic part, wherein an electrical connection is made between the terminal areas of said two substrates by use of a flexible substrate having a structure constituted of at least three layers, and thereby a high frequency signal is transmitted between the electronic part mounted on one substrate and the electronic part mounted on the other substrate through the flexible substrate while confining an electromagnetic field. In addition, the present invention provides an optical transmission module characterized in that a slit formed in a ground plane on a connection section of a three-layer flexible substrate reduces a disturbance in electromagnetic field, making it possible to improve the transmission characteristic of a high frequency signal. The present invention relates to an optical transmission module comprising two substrates, each of which has an electronic part mounted on the substrate and a terminal area for inputting/outputting an electric signal into/from the electronic part, wherein an electrical ...More ...Less
12 US2004264889A1
Optoelectronic housings and methods of assembling optoelectronic packages
Publication/Patent Number: US2004264889A1 Publication Date: 2004-12-30 Application Number: 10/852,504 Filing Date: 2004-05-24 Inventor: Lake, Rickie C.   Assignee: Intel Corporation   IPC: G02B006/36 Abstract: Optoelectronic housings and methods of assembling optoelectronic packages are disclosed. An example of such an optoelectronic package includes an optoelectronic module having a substrate, a first optical fiber extending in a first direction from the substrate, and a second optical fiber extending from the substrate in a second direction opposite the first direction. It also includes a body defining a chamber dimensioned to receive the optoelectronic module, and an optical fiber feedthrough fixed to a first side of the body for receiving the first optical fiber. A bore is defined in a second side of the body opposite the first side of the body. The bore is positioned to receive the second optical fiber. A second optical fiber feedthrough is threaded onto the second optical fiber and slid into the bore after the second optical fiber is positioned in the bore. The second feedthrough is then secured to the body. Optoelectronic housings and methods of assembling optoelectronic packages are disclosed. An example of such an optoelectronic package includes an optoelectronic module having a substrate, a first optical fiber extending in a first direction from the substrate, and a second ...More ...Less
13 US2004264890A1
Optical module, method for producing same and holder for optical module
Publication/Patent Number: US2004264890A1 Publication Date: 2004-12-30 Application Number: 10/850,801 Filing Date: 2004-05-21 Inventor: Morioka, Shimpei   Assignee: Morioka, Shimpei   IPC: G02B006/36 Abstract: After a tolerance of width B during the mounting of a photoelectric transfer element 8 is previously set, a holder 3 is formed so that a dimensional error A on the end portion of the holder 3 on the side of the photoelectric transfer element 8 in directions parallel to an optical axis 4 satisfies a condition of A<B with respect to the tolerance of width B, and then, a substrate 9 on which the photoelectric transfer element 8 is mounted is caused to contact the end face of the holder 3 on the side of the photoelectric transfer element 8 to form an optical module 1. After a tolerance of width B during the mounting of a photoelectric transfer element 8 is previously set, a holder 3 is formed so that a dimensional error A on the end portion of the holder 3 on the side of the photoelectric transfer element 8 in directions parallel to an ...More ...Less
14 US2004264891A1
Optical element holder and optical communication module
Publication/Patent Number: US2004264891A1 Publication Date: 2004-12-30 Application Number: 10/877,685 Filing Date: 2004-06-25 Inventor: Namiwaka, Masahiko   Kanemoto, Mitsunori   Assignee: Namiwaka, Masahiko   Kanemoto, Mitsunori   IPC: G02B006/36 Abstract: Disclosed are an optical element holder and an optical communication module. The optical element holder comprises a pedestal having a pair of fixing sections, a pair of holding sections and a stress-suppressing section. The fixing sections are formed in opposing end portions of the pedestal for being welded to a carrier. The holding sections are formed to face the pedestal in an inner position than positions where the fixing sections are formed so as to hold the optical element by pinching it therebetween. The stress-suppressing section prevents a welding stress, which is generated when the fixing sections are welded to the carrier, from affecting the holding sections. Disclosed are an optical element holder and an optical communication module. The optical element holder comprises a pedestal having a pair of fixing sections, a pair of holding sections and a stress-suppressing section. The fixing sections are formed in opposing end portions of ...More ...Less