公开(公告)号：WO1988006194A1

公开(公告)日：1988-08-25

申请号：PCT/US1987003043

申请日：1987-11-19

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  KNAUER, Wolfgang ,  BARTELT, John, L.

IPC: C23C14/32

CPC classification number: C23C14/221 ,  H01J2237/0812 ,  H01L21/28512 ,  H01L21/28518 ,  H01L21/3065 ,  Y10S438/961

Abstract: Chemical reactions are accomplished at a surface (14) of a substrate (12) by supplying both a chemical reactant and energy by means of a cluster beam (18, 18') of a volatile material. Discrete units containing a volatile reactant are formed into clusters, ionized, accelerated to high energy, and impacted against the surface (14). The clusters disintegrate, and the reactant species reacts at the surface (14), under the influence of the energy transferred by the accelerated cluster. The clustered species may be the only reactant, as in a decomposition reaction, or additional reactants may be supplied from the surface (14) or from other external sources, as in a film deposition, etching reaction, or catalysis reaction.

公开(公告)号：WO1988005609A1

公开(公告)日：1988-07-28

申请号：PCT/US1988000164

申请日：1988-01-22

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  AJIOKA, James, S.

IPC: H01Q21/00

CPC classification number: H01Q25/001 ,  H01Q21/0062 ,  H01Q21/245

Abstract: Circular waveguide (12) in which slots are formed which are shaped and disposed such that they interrupt either the right hand or left hand circulating mode (RC and LC respectively) residing in the waveguide (12). Locating the slots in the waveguide (12) wall is accomplished in accordance with the theory that for TE modes in circular waveguide with circumferential variation of e , current flow lines (38, 40) are produced that are helical. The slots (14) are located so as to interrupt the helical currents of the desired mode. In one embodiment, an ortho-polarization mode transducer (20) and a circular polarizer (16, 18) are used to feed the slotted waveguide (12). By controlling the amplitude and phase of the energy propagating in the waveguide (12), azimuthal pattern control can be effected. By loading the waveguide with dielectric to make lambda g in the loaded waveguide equal to lambda -free space, endfire radiation can be achieved.

Abstract translation: 圆形波导（12），其中形成有槽，其形状和布置使得它们中断驻留在波导（12）中的右手或左手循环模式（RC和LC）。 在波导（12）壁中定位槽是根据对于具有周向变化e <+/- jm PHI>的圆形波导中的TE模式的理论完成的，产生电流流线（38,40）为螺旋 。 槽（14）被定位成中断所需模式的螺旋电流。 在一个实施例中，使用正偏振模式换能器（20）和圆偏振器（16,18）来馈送开槽波导（12）。 通过控制在波导（12）中传播的能量的振幅和相位，可以进行方位图案控制。 通过加载具有电介质的波导使得加载的波导中的λg等于无空白空间，可以实现端射辐射。

公开(公告)号：WO1988005181A1

公开(公告)日：1988-07-14

申请号：PCT/US1987003019

申请日：1987-11-20

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  MOSS, Gaylord, E.

IPC: G03H01/00

CPC classification number: G02B5/32 ,  G03H1/22

Abstract: A converter hologram (23) providing radially symmetric exposure (G) of coaxially located holograms from an off-axis source (F) and displays utilizing the same.

公开(公告)号：WO1988005031A1

公开(公告)日：1988-07-14

申请号：PCT/US1987003078

申请日：1987-11-30

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  BAGBY, John, P. ,  OTIS, Robert, J. ,  SEERY, Craig, W. ,  YANATOVIC, Steven, C.

IPC: C03B19/02

CPC classification number: C03B37/028 ,  C03B13/12 ,  C03B19/02 ,  C03B37/026 ,  C03B37/15 ,  C03C14/002 ,  C03C2214/02 ,  C03C2214/03 ,  C03C2214/34

Abstract: A method of strengthening materials such as glass, plastic and ceramics enabling strengths to be achieved which are far in excess of what was previously known. Generally, the method comprises the placement of elongated reinforcement members (32, 34) in a molten glass substrate (30, 36, 46, 48) then cooling the substrate to the solid state. The reinforcement members may be pre-stressed in some instances and may assume a variety of arrangements within the glass substrate. The reinforcement members may be of various materials having greater tensile strength than the glass substrate. In one instance, the reinforcement members themselves may be fiber optic bundles composed of glass fibers with an outer glass cladding which melts at lower temperatures than the inner regions. The temperature is raised sufficiently to melt the cladding so as to bond together all of the bundles into an integral structure of optical quality. In another application of non-optical quality, the core may be metallic with an outer glass cladding which melts at a lower temperature than the inner regions. According to yet another embodiment, strengthened plastic members utilizing elongated reinforcing members in a plastic matrix can have an optical quality reflective surface applied by replication.

Abstract translation: 一种加强诸如玻璃，塑料和陶瓷的材料的方法能够实现远远超过以前已知的强度。 通常，该方法包括将细长的加强构件（32,34）放置在熔融玻璃基板（30,36,46,48）中，然后将基板冷却至固态。 在一些情况下，加强构件可以被预应力，并且可以在玻璃基底内呈现各种布置。 加强构件可以是具有比玻璃基底更大的拉伸强度的各种材料。 在一个实例中，加强构件本身可以是由具有外玻璃包层的玻璃纤维组成的光纤束，其在比内部区域更低的温度下熔化。 温度升高到足以熔化包层，以将所有的束结合在一起成为光学质量的整体结构。 在非光学质量的另一应用中，芯可以是金属的，外部玻璃包层在比内部区域低的温度下熔化。 根据另一个实施例，在塑料基体中利用细长加强构件的强化塑料构件可以具有通过复制施加的光学质量反射表面。

公开(公告)号：WO1988004863A1

公开(公告)日：1988-06-30

申请号：PCT/US1987003145

申请日：1987-11-30

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  NESTLERODE, C., Dale

IPC: H03J05/24

CPC classification number: H03J5/244

Abstract: A variable inductor usable in a fast tuning RF network comprises a plurality of inductor switching circuits connected in series. Each inductor switching circuit includes an input terminal connected to a discrete inductor (18b) and to a PIN diode (24b), and includes an output terminal connected to switches which are in turn connected to the parallel connected discrete inductor (18b) and PIN diode (24b). The PIN diode (24b) operates in either the forward bias mode for switching out the respective discrete inductor (18b), or in the reverse bias mode for switching in the respective discrete inductor (18b). The PIN diode (24b) is forward or reverse biased by MOSFET switches (36a, 36b) (38a, 38b) one of which has a parasitic capacitor used to provide a charged rectified reverse bias voltage to the PIN diode (24b) to insure reverse bias operation during large voltage changes in the conducted RF signals. The MOSFET switches are controlled by logic signals so that rapid switching by computer or other processor control is possible. Electrical isolation of the logic control circuitry is provided by optically coupling (56, 52) (58, 54) the control signals to the MOSFET switches.

公开(公告)号：WO1988004738A1

公开(公告)日：1988-06-30

申请号：PCT/US1987003174

申请日：1987-12-03

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  HILL, William, H.

IPC: F16C11/00

CPC classification number: H01L24/85 ,  B23K20/004 ,  B23K20/106 ,  B23K2101/32 ,  B23Q1/4804 ,  H01L24/45 ,  H01L24/78 ,  H01L2224/45124 ,  H01L2224/45144 ,  H01L2224/78301 ,  H01L2224/85 ,  H01L2224/85205 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01013 ,  H01L2924/01033 ,  H01L2924/01079 ,  H01L2924/12041 ,  H01L2924/14 ,  H01R43/0207 ,  H01L2224/48 ,  H01L2924/00015 ,  H01L2924/00

Abstract: A movable open center mounting for the tool of an ultrasonic wire bonding machine employs ball-bearing rollers (22, 24, 30, 32) to permit limited motion of the wire bonding tip (13a) substantially constrained to a vertical line with a minimum of tip skid. The mounting structure which is all positioned on one side of the tool tip includes a frame (10) of inverted U-shape having a pair of mutually spaced ball-bearing rollers (22, 24, 30, 32) on the end of each frame leg and a transducer support (12) positioned between the frame legs and having fixed roller contacting rods (90, 92, 96, 98) extending fore-and-aft between and partly under each of the respective rollers. A pair of springs (80, 82) urges the transducer support upwardly to press the fixed rods against the roller surfaces, allowing the transducer support to effectively rock about a center of motion (120) that is well below the bonder frame and transducer support, with the rocking motion being so constrained that the bonder tip moves substantially in a straight vertical line for small displacements.

公开(公告)号：WO1988002556A1

公开(公告)日：1988-04-07

申请号：PCT/US1987002231

申请日：1987-09-04

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  ELLION, M., Edmund

IPC: H01L31/02

CPC classification number: H01L31/052 ,  H01L31/04 ,  H01L31/0521 ,  H01L31/0543 ,  H01L31/0547 ,  H01L35/00 ,  H02S99/00 ,  Y02E10/52

Abstract: A solar cell (10) generates an electrical voltage with contributions from both photovoltaic and thermoelectric effects, when a high thermal gradient is impressed across a semiconductor p/n solar cell. To achieve a substantial thermoelectric voltage contribution, the front side (12) of the solar cell (10) is heated to an elevated temperature consistent with efficient operation of the photovoltaic mechanism of the solar cell, and the back side (14) of the solar cell (10) is cooled to a lower temperature. The magnitude of the thermoelectric voltage contribution is increased by reducing the coefficient of thermal conductivity of the solar cell material, by using face electrodes (24, 26) having the proper thermoelectric potentials in contact with the solar cell material, by increasing the light intensity and thence the heat input to the front side (12) of the solar cell (10) and by cooling the back side (14) of the solar cell (10). The preferred material of construction is gallium arsenide, and the solar cell can be mounted to receive concentrated sunlight on its front side and to be cooled on its back side by enhanced thermal radiation.

Abstract translation: 当在半导体p / n太阳能电池上施加高热梯度时，太阳能电池产生具有来自光伏和热电效应的贡献的电压。 为了实现大量的热电压贡献，将太阳能电池的正面与太阳能电池的光电机构的有效操作一致地加热到升高的温度，并且将太阳能电池的背面冷却到更低的温度。 通过使用具有与太阳能电池材料接触的适当热电势的面电极，通过增加光强度，然后将热量输入到... ...，从而降低太阳能电池材料的导热系数，从而增加热电电压贡献的大小 太阳能电池的正面，并且通过冷却太阳能电池的背面。 优选的结构材料是砷化镓，并且可以安装太阳能电池以在其前侧接收集中的阳光并且通过增强的热辐射在其背面被冷却。

公开(公告)号：WO1988002109A1

公开(公告)日：1988-03-24

申请号：PCT/US1987001884

申请日：1987-08-03

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  PESAVENTO, Philip, V. ,  STRAWBRIDGE, Joy, W.

IPC: G01N21/25

CPC classification number: E21B43/17 ,  E21B43/26 ,  E21B47/02 ,  E21B49/006 ,  G01N21/8507 ,  G01N2201/084 ,  G09B23/40 ,  G09B25/025

Abstract: The system for sensing ions in aqueous solution such as an electroplating bath includes a light source (18) which delivers light including a selected wavelength through a series of optical fibers (20, 24, 26, 32) to probe (14). The probe is partially immersed in the solution (12) and the light is delivered through the solution in the space (94) between prisms (82, 92). The return light is conducted by optical fibers (32, 38) to detector or opto-electronic transducer (44). A portion of the original light is diverted by splitter (22) through fiber (42) to opto-electronic transducer (46) so that a comparison of the signals determines the amount of light in selected wavelength is absorbed in the solution due to ions thereon. The signal processing unit (40) is preferably enclosed in an electromagnetic protected area (16) to avoid the adverse EMI and corrosive atmosphere effects near the electroplating tank (10).

Abstract translation: 用于感测诸如电镀浴的水溶液中的离子的系统包括光源（18），其将包括选定波长的光通过一系列光纤（20,24,26,32）传送到探针（14）。 探针被部分地浸入溶液（12）中，并且光通过棱镜（82,92）之间的空间（94）中的溶液被输送。 返回光由光纤（32,38）传送到检测器或光电换能器（44）。 原始光的一部分通过光纤（42）通过光纤（42）转移到光电换能器（46），使得信号的比较决定了所选波长中的光量由于其上的离子而被吸收在溶液中 。 信号处理单元（40）优选地包围在电磁保护区域（16）中，以避免电镀槽（10）附近的不利的EMI和腐蚀性气氛的影响。

公开(公告)号：WO1988001816A1

公开(公告)日：1988-03-10

申请号：PCT/US1987001998

申请日：1987-08-14

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  AMOROSO, Frank ,  TAYLOR, Norman, L.

IPC: H04K03/00

CPC classification number: H04B1/713 ,  H04B1/7156

Abstract: A method for achieving initial synchronization of the transmission and reception of a frequency hopped communication signal, which comprises the steps of transmitting a preamble defined by a sequence of synchronizing pulses on a single channel and transmitting random dummy pulses over the remaining channels to hide the preamble. The received signal is filtered to obtain the preamble which is then convolved with a stored replica of the preamble to produce a synchronizing signal that is used to synchronize frequency hopping of the receiver and transmitter in preparation for the transmission of information. The received, constituent pulses of the preamble are delayed and accumulated by a baseband correlator (18) to form a composite pulse whose magnitude is detected by a threshold detector (20). The threshold detector produces the synchronizing signal (22) when the accumulated pulse reaches a prescribed value indicating that all of the bits of the preamble have been received.

Abstract translation: 一种用于实现跳频通信信号的发送和接收的初始同步的方法，其包括以下步骤：在单个信道上发送由同步脉冲序列定义的前导码，并在剩余信道上发送随机伪脉冲以隐藏前导码 。 对接收的信号进行滤波以获得前导码，然后与前同步码的存储副本进行卷积，以产生同步信号，该同步信号用于同步接收机和发射机的跳频以准备信息的传输。 所接收的前导码的组成脉冲被基带相关器（18）延迟和累积，以形成由阈值检测器（20）检测其大小的复合脉冲。 当累积脉冲达到指示前同步码的所有比特已被接收到的规定值时，阈值检测器产生同步信号（22）。

公开(公告)号：WO1988001451A1

公开(公告)日：1988-02-25

申请号：PCT/US1987001657

申请日：1987-07-15

Applicant: HUGHES AIRCRAFT COMPANY

Inventor： HUGHES AIRCRAFT COMPANY ,  LI, Hsiu, Y.

IPC: H03B09/14

CPC classification number: H03B9/145 ,  H03B7/08 ,  H03B2200/0074 ,  H03B2201/015 ,  H03B2201/0208

Abstract: The four-diode bridge (14) is positioned within the cavity (10) of a Gunn diode (12) oscillator. A subharmonic signal is applied to the diode bridge and the diode bridge couples an odd harmonic of the injected signal into the cavity. The cavity is thus caused to resonate at the odd harmonic of the injected signal. The injected signal can be changed using a frequency synthesizer (26) in order to provide a microwave oscillator with multiple-channel operation. The diode bridge provides a feedback signal indicative of the phase of the cavity oscillation. The feedback signal is applied to a varactor (24) which pretunes the Gunn diode oscillator and thereby provides phase-locked control.

Abstract translation: 四极二极管桥（14）位于耿氏二极管（12）振荡器的腔（10）内。 次谐波信号施加到二极管电桥，二极管电桥将注入信号的奇次谐波耦合到空腔中。 因此，腔体以注入信号的奇次谐波发生谐振。 可以使用频率合成器（26）来改变注入的信号，以便提供具有多通道操作的微波振荡器。 二极管桥提供表示腔振荡相位的反馈信号。 反馈信号被施加到可变电抗器（24），该变容二极管预先耿氏二极管振荡器，从而提供锁相控制。