Tag Archives: laser

Laser cutting process of machining workpiece

Application Number  00129322 Application Date  2000.11.17 Publication Number  1299724 Publication Date  2001.06.20 Priority Information     International Classification  B23K26/00   Applicant(s) Name  Li Xiangguo   Address     Inventor(s) Name  Li Xiangguo   Patent Agency Code  00000 Patent Agent   AbstractThe method for cutting workpiece by using laser is characterized by that according to size… Read More »

Circuit and method of grey scale image in multiposition processing laser printing machine

Application Number  00129250 Application Date  2000.09.29 Publication Number  1291732 Publication Date  2001.04.18 Priority Information   1999/10/6 KR 43124/99   International Classification  H04N1/405;G06T3/00;G03G15/00   Applicant(s) Name  Samsung Electronics Co., Ltd.   Address     Inventor(s) Name  Kim Chol   Patent Agency Code  11105 Patent Agent  shao eli AbstractA circuit and method for multi-bit processing of a… Read More »

Ultrasonic laser flux-free soft soldering method

Application Number  00129114 Application Date  2000.09.22 Publication Number  1345645 Publication Date  2002.04.24 Priority Information     International Classification  B23K31/02;H05K3/34   Applicant(s) Name  Harbin Polytechnic Univ.   Address     Inventor(s) Name  Wang Chunqing;Li Mingyu;Feng Wufeng   Patent Agency Code  23200 Patent Agent  li yiqun AbstractThe present invention provides an ultrasonic laser soldering method without soldering… Read More »

Laser perforation method for PCB and substrate

Application Number  00128836 Application Date  2000.09.18 Publication Number  1344131 Publication Date  2002.04.10 Priority Information     International Classification  H05K3/00;H05K3/42   Applicant(s) Name  Huatong Computer Co Ltd   Address     Inventor(s) Name  Zhu Guanbai;Zheng Wenzhong;Huang Xin'er   Patent Agency Code  31100 Patent Agent  zhang zhengquan AbstractA laser perforation method for printed circuit board or substrate… Read More »

Solid-state laser and optical transmitting machine

Application Number  00128674 Application Date  2000.09.20 Publication Number  1316809 Publication Date  2001.10.10 Priority Information   2000/4/5 JP 107973/2000   International Classification  H01S3/06;H01S3/08;H01S5/00   Applicant(s) Name  Hitachi Ltd.   Address     Inventor(s) Name  Tonami Tatsuya;Heworje Pitack   Patent Agency Code  11038 Patent Agent  wang yonggang AbstractIn the wavelength-division-multiplexed optical transmission, an ultrashort pulse solid-state laser… Read More »

Laser imaging of thin film circuit material

Application Number  00128400 Application Date  2000.10.13 Publication Number  1321060 Publication Date  2001.11.07 Priority Information   1999/10/13 US 09/418,207   International Classification  H05K3/02   Applicant(s) Name  Morton International, Inc.   Address     Inventor(s) Name  W.E. Nacler;R.W. Carpenter   Patent Agency Code  11038 Patent Agent  duan chengen AbstractThe invention provides a laser imaging method of a… Read More »

Roller surface roughening laser processing system to form controllable distributed roughened spots

Application Number  00128273 Application Date  2000.12.13 Publication Number  1357427 Publication Date  2002.07.10 Priority Information     International Classification  B21B27/02;B23K26/08   Applicant(s) Name  Mechanics Inst., Chinese Academy of Sciences   Address     Inventor(s) Name  Wang Hongcai;Yang Mingjiang   Patent Agency Code  31002 Patent Agent  gao cunxiu AbstractThe roller surface roughening laser processing system to form… Read More »

System for strengthening hot-roling roll by high-frequency pulse laser and strengthening method thereof

Application Number  00128272 Application Date  2000.12.14 Publication Number  1358602 Publication Date  2002.07.17 Priority Information     International Classification  B21B27/02;B23K26/08   Applicant(s) Name  Mechanics Inst., Chinese Academy of Sciences   Address     Inventor(s) Name  Peng Linhua;Yang Mingjiang   Patent Agency Code  31002 Patent Agent  gao cunxiu AbstractThe present invention relates to a system for strengthening… Read More »

Method and device for measuring mechanical parameters of laser

Application Number: 00112403Application Date: 2000.07.15Publication Number: 1334443Publication Date: 2002.02.06Priority Information: International: G01D21/00Applicant(s) Name: Chinese Science and Technology UinvAddress: Inventor(s) Name: Li YinmeiPatent Agency Code: 34103Patent Agent: zhao wulanAbstract A method for measuring the mechanical parameters of laser is disclosed. A continuous TEMoo-mode laser beam is emitted via coupler into a lens with strong convergent effect… Read More »

Laser technology for treating surface of cold hard roller, nodular iron casting or gray casting

Application Number: 00122389Application Date: 2000.09.22Publication Number: 1297061Publication Date: 2001.05.30Priority Information: 2000/3/22 CN 00114142.2International: C21D1/09Applicant(s) Name: Guangtong Technology Co., Ltd, Guangzhou CityAddress: Inventor(s) Name: Ma ChunyinPatent Agency Code: 44102Patent Agent: lin limengAbstract A laser treating technology for the surface of cold and heard rolling roller, nodular iron casting, or gray casting is disclosed. After the surface… Read More »

Hit telling system with laser azimuth sensor

Application Number: 00127199Application Date: 2000.11.02Publication Number: 1289036Publication Date: 2001.03.28Priority Information: International: F41J5/00Applicant(s) Name: Nanchang Railway Bureau Inst. of Science &. TechnologyAddress: Inventor(s) Name: Weng XinglinPatent Agency Code: 36100Patent Agent: zhang wenAbstract The target-reporting system includes interface circuit, computer and target position, and it is characterized by that it also includes horizontal and vertical directional lasers… Read More »

Single-frequency pulse solid laser

Application Number: 00115578Application Date: 2000.04.29Publication Number: 1274972Publication Date: 2000.11.29Priority Information: International: H01S3/00Applicant(s) Name: Shanghai Inst. of Optics & Fine Machines, Chinese Academy of SciencesAddress: Inventor(s) Name: Hu Qiquan;Li Xiaoli;Lu YutianPatent Agency Code: 31002Patent Agent: li lanyangAbstract The integrated single frequency pulse solid laser includes one laser cavity resonator comprising two cavity mirrors with central axes… Read More »

Measuring and control system using network technique for multi-wavelength laser radar

Application Number: 00123648Application Date: 2000.08.24Publication Number: 1340700Publication Date: 2002.03.20Priority Information: International: G01N21/17;G01N21/21;G01N21/33;G01S17/95Applicant(s) Name: Inst of Atmospheric Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Zheng Siping;Pan JidongPatent Agency Code: 11021Patent Agent: jiang lilouAbstract A measuring and control system using the network technique for multi-wavelength laser radar has a data receiver system and control unit, which is… Read More »

Self-injection locking monofrequency ring fiber laser

Application Number: 00119051Application Date: 2000.10.18Publication Number: 1348239Publication Date: 2002.05.08Priority Information: International: H01S3/067;H01S3/098Applicant(s) Name: China Science &. Technology Univ.Address: Inventor(s) Name: Xu Lixin;Ming Hai;Xie JianpingPatent Agency Code: 34103Patent Agent: wang yongAbstract The present invention relates to an otpcial fibre laser including a ring shape cavity formed by connecting a short cavity laser, semi-conductor laser, active optical… Read More »

Antiforge holographic laser pattern, its correct match method for prinint pattern and its product

Application Number: 00124325Application Date: 2000.09.07Publication Number: 1282893Publication Date: 2001.02.07Priority Information: International: G03H1/04;G03H1/22Applicant(s) Name: Ye XianminAddress: Inventor(s) Name: Ye Xianmin;Ye JingminPatent Agency Code: 11214Patent Agent: wang yonganAbstract An antiforge laser holographic pattern is made up through designing laser holographic pattern and printed pattern, making their printing plates respectively, and making the correctly matched antiforge pattern on… Read More »

Portable laser instrument for birth control

Application Number: 00112997Application Date: 2000.06.09Publication Number: 1327789Publication Date: 2001.12.26Priority Information: International: A61B18/20;A61B18/22Applicant(s) Name: Hospital No.452, PLAAddress: Inventor(s) Name: Xiao XinminPatent Agency Code: 51211Patent Agent: liu shiquanAbstract A portable laser instrument for birth control of man is composed of Nd: YAG laser and optical fibre coupling system, and features that the conduction time of pulse width… Read More »

Method for analysing monitering and controlling laser impact cold-forging by using instantaneous plasma spectrographic

Application Number: 00122556Application Date: 2000.08.03Publication Number: 1293362Publication Date: 2001.05.02Priority Information: 1999/8/3 US 09/365887International: B23K26/00;C21D10/00;G01N21/71Applicant(s) Name: General Electric Co.Address: Inventor(s) Name: R.L. Tlantor;U.W. ThaoPatent Agency Code: 72001Patent Agent: wu zengyongAbstract A method for quality assurance of a laser shock peening process of workpieces includes measuring and recording temporal light intensity data over a short period during… Read More »

Double wave length liquid altitude deection laser radar

Application Number: 00115964Application Date: 2000.08.18Publication Number: 1339705Publication Date: 2002.03.13Priority Information: International: G01S17/00;G01S17/95Applicant(s) Name: Inst. of Physics and Mathematics, Chinese Academy of SciencesAddress: Inventor(s) Name: Gong Shunsheng;Jia Hanchun;Wang JiaminPatent Agency Code: 42001Patent Agent: wang minfengAbstract The present invention dislcoses a kind of double wavelength laser radar capable of detecting high altidude atmosphere in wide 30-110 Km… Read More »

Single photon counter with embedded system and gate control function for laser radar

Application Number: 00123649Application Date: 2000.08.24Publication Number: 1340701Publication Date: 2002.03.20Priority Information: International: G01N21/17;G01N21/21;G01N21/33;G01S17/95Applicant(s) Name: Inst of Atmospheric Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Sun Jinhui;Zheng Siping;Zhang JindingPatent Agency Code: 11021Patent Agent: jiang lilouAbstract A single photon counter with embedded system and gate control function of multi-wavelength laser radar for probing ozone and aerosol in stratosphere… Read More »

Multi-line synchronous scan type laser projection display system

Application Number: 00119157Application Date: 2000.06.30Publication Number: 1331425Publication Date: 2002.01.16Priority Information: International: G02B26/10Applicant(s) Name: Li WeigangAddress: Inventor(s) Name: Li WeigangPatent Agency Code: 00000Patent Agent: Abstract A laser projection display system of multi-line synchronous scan type features that multiple lines are synchronously scanned by line deflection period for lower requirement to the rotation speed of line deflection… Read More »

Light path system of reaction chamber for preparing nm powder by gas-phase laser method

Application Number: 00124797Application Date: 2000.09.18Publication Number: 1286153Publication Date: 2001.03.07Priority Information: International: B23K31/00;C04B35/565;C09C1/28;G02B17/00Applicant(s) Name: Zhongchao Nano-Meter Industry Co Ltd, HeilongjiangAddress: Inventor(s) Name: Shi Qinghe;Shen Huaiying;Chen WeiPatent Agency Code: 00000Patent Agent: Abstract An impreoved light system of reaction chamber for preparing nm powder by gas-phase laser method features that in existing light system, a light barrier parallel… Read More »

Method for building axial-flow CO laser and its device

Application Number: 00113014Application Date: 2000.06.13Publication Number: 1328365Publication Date: 2001.12.26Priority Information: International: H01S3/041;H01S3/22Applicant(s) Name: Sichuan UnivAddress: Inventor(s) Name: Li Yude;Kuang Yizhong;Zhang XiuyunPatent Agency Code: 51200Patent Agent: liu shuanglanAbstract A method for preparing the axial-flow CO laser and its device is disclosed. The by-pass tube in liquid nitrogen tank, discharge tube, gas reservoir and gas outlet tube… Read More »

Laser generator with both passive Q-switch laser and non-linear optical crystal

Application Number: 00122627Application Date: 2000.08.04Publication Number: 1337765Publication Date: 2002.02.27Priority Information: International: H01S3/00Applicant(s) Name: Longcai Science &. Technology Co., Ltd.Address: Inventor(s) Name: Huang YanjiePatent Agency Code: 31100Patent Agent: wu rongjunAbstract The novel laser generation equipment combining passively Q-switched laser with priodically pole quasi-phase-matching non-linear optical crystal incldues a passively Q-switched laser light source for impulsively sending… Read More »

Low-adsorption hard film window and lens of CO2 laser

Application Number: 00115991Application Date: 2000.08.31Publication Number: 1291814Publication Date: 2001.04.18Priority Information: International: G02B1/00;H01S3/034Applicant(s) Name: Jinshikai Laser Technique Co Ltd, WuhanAddress: Inventor(s) Name: Wang Xun;Chen LianhePatent Agency Code: 42104Patent Agent: wang hebengAbstract A low-absorption window and lens of CO2 laser is made up of low-absorption high-hardness film materials through combining them together. The low-refractivity yttrium fluoride is… Read More »

Program controllable optical gate for multi-wavelength laser radar and its control method

Application Number: 00123650Application Date: 2000.08.24Publication Number: 1340702Publication Date: 2002.03.20Priority Information: International: G01N21/17;G01N21/21;G01N21/33;G01S17/95Applicant(s) Name: Inst of Atmospheric Physics, Chinese Academy of SciencesAddress: Inventor(s) Name: Zheng Siping;Pan Jidong;Wang ShufangPatent Agency Code: 11021Patent Agent: jiang lilouAbstract A program-controlled optical shutter for multi-wavelength laser radar to probe ozone and aerosol in stratosphere is composed of optical shutter blades, motor,… Read More »

Method and device for active numerical compensation for wave length static laser

Application Number: 00120330Application Date: 2000.07.12Publication Number: 1280310Publication Date: 2001.01.17Priority Information: 1999/7/13 US 09/352,827International: G02F1/35;H01S3/00Applicant(s) Name: Lucent Technologies Co.Address: Inventor(s) Name: Scott L.Braudin;James K.proud;Johu W.Start;Jr.Patent Agency Code: 11038Patent Agent: jiang shixunAbstract A unique method and apparatus for locking on an absolute wavelength of las er light output by a laser package by actively compensating for a… Read More »

Laser plate roller carving system and method

Application Number: 00124801Application Date: 2000.09.12Publication Number: 1299723Publication Date: 2001.06.20Priority Information: 1999/12/14 CN 99125956.4International: B23K26/08Applicant(s) Name: Inst. of Mechanics, Chinese Academy of SciencesAddress: Inventor(s) Name: Chen Guangnan;Ji Quan;Sun ChunxiangPatent Agency Code: 31002Patent Agent: gao cunxiuAbstract The engraving system includes mechanism for supporting and rotating plate-making roll to be engraved, two laser output optical circuits, each optical… Read More »

He-Ne laser device

Application Number: 00113149Application Date: 2000.09.01Publication Number: 1340889Publication Date: 2002.03.20Priority Information: International: H01S3/223;H01S3/03Applicant(s) Name: Sichuan UnivAddress: Inventor(s) Name: Li Yude;Chen MeiPatent Agency Code: 51200Patent Agent: liu shuanglanAbstract A He-Ne laser device with 632.8 nm of wavelength and cylindrical discharge region uses RF power supply for discharge excitation. The matched circuit between RF power supply and cylindrical… Read More »

Laser device, laser annealing method and method for manufacturing semiconductor device

Application Number: 00122783Application Date: 2000.08.14Publication Number: 1284741Publication Date: 2001.02.21Priority Information: 1999/8/13 JP 229518/99; 1999/9/3 JP 250940/99International: H01L21/324Applicant(s) Name: Semiconductor Energy Laboratory Co., Ltd.Address: Inventor(s) Name: Yamazaki Shunpei;Otani Hisashi;Tanaka KoichiroPatent Agency Code: 72001Patent Agent: zheng jianhuiAbstract The invention provides a laser apparatus and a laser annealing method with which a crystalline semiconductor film with a larger… Read More »

Diagnosis device for parameters of nuctual action between laser and plasma

Application Number: 00116391Application Date: 2000.06.08Publication Number: 1274079Publication Date: 2000.11.22Priority Information: International: G01J3/447Applicant(s) Name: Shanghai Inst. of Optics Fine and Mechanics, Chinese Academy of SciencesAddress: Inventor(s) Name: Tang Yuhui;Han ShenshengPatent Agency Code: 31002Patent Agent: li lanyangAbstract A device for detecting the mutual action parameters between laser and plasma has light source unit and collecting-detecting unit, which… Read More »