The archive comprises a collection of US patents dealing with laser materials processing.

Part I: 1997
Part II: 1998
Part III: 1999
Part IV: 2000
Part V: 2001
Part VI: 2002

The abstracts of the patents from 1997 to 2002 can be displayed. Note that you will need a table-capable browser (such as Netscape Navigator) in order to properly display the abstracts.

We welcome your comments and suggestions at info@patentweb.de.
Updated 04 January 2000
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1999

1. 6,008,469 - Laser beam branching apparatus
2. 6,008,468 - Method and apparatus for producing a thin mesh utilizing a laser and mask system
3. 6,008,467 - Laser processing method to an optical waveguide
4. 6,008,466 - Laser beam machining device with protective mask and safety switches
5. 6,008,465 - Laser cutting machine and method for laser cutting with measurement of resistance between cutting head and work piece
6. 6,007,756 - Process and device for perforating or cutting printed laminated composite materials
7. 6,007,755 - Resistor trimming method
8. 6,005,219 - Ripstop laser shock peening
9. 6,004,487 - Method and apparatus for laser-texturing disk surfaces
10. 6,002,102 - Hidden surface laser shock processing
11. 6,002,101 - Method of manufacturing a semiconductor device by using a homogenized rectangular laser beam
12. 6,002,100 - Bearing having micropores and design method thereof
13. 6,002,099 - User control interface for laser simulating sandblasting apparatus
14. 6,002,098 - Laser-assisted plating of strip
15. 5,998,759 - Laser processing
16. 5,998,758 - Laser soldering head in an automatic soldering installation
17. 5,994,668 - Laser beam machining method with interrupt and restart functions
18. 5,994,667 - Method and apparatus for laser cutting hollow workpieces
19. 5,994,666 - Multisheet metal sandwich structures
20. 5,994,665 - Method of continuous hot rolling and apparatus for welding steel bars thereof
21. 5,994,664 - Track bushing having laser cladding end treatment for improved abrasion and corrosion resistance, and a process
22. 5,993,554 - Multiple beams and nozzles to increase deposition rate
23. 5,993,550 - Photoionic microhead device for the treatment of a material surface by powder deposition
24. 5,993,549 - Powder coating apparatus
25. 5,991,015 - Beam monitoring assembly
26. 5,990,444 - Laser method and system of scribing graphics
27. 5,988,982 - Altering vibration frequencies of workpieces, such as gas turbine engine blades
28. 5,987,920 - Method of producing a patterned surfacial marking on a transparent body
29. 5,986,755 - Elastic radiation scatter-detecting safety device analyzer apparatus provided with safety device and method for controlling a laser excitation source
30. 5,986,236 - Apparatus for working on a tube portion using a laser beam, and use thereof on pipe tubes on a marine pipe-laying or pipe recovery barge
31. 5,986,235 - Method of efficiently laser marking singulated semiconductor devices
32. 5,986,234 - High removal rate laser-based coating removal system
33. 5,985,056 - Method for laser induced improvement of surfaces
34. 5,984,159 - Method and apparatus for cutting through a flat workpiece made of brittle material, especially glass
35. 5,983,676 - Laser fiber chopper
36. 5,982,583 - Slider having thermally applied tensile stress for curvature control and method of applying tensile stress
37. 5,981,903 - Laser system for simultaneous texturing of two sides of a substrate
38. 5,981,902 - Texturing apparatus for magnetic recording medium and magnetic recording medium process thereby
39. 5,981,901 - Method and device for gas shielding laser processed work pieces
40. 5,977,515 - Underwater laser processing device including chamber with partitioning wall
41. 5,977,514 - Controlled color laser marking of plastics
42. 5,977,513 - Apparatus and method for centering a laser welding probe within a tube using gas pressure
43. 5,977,512 - Multi-wavelength laser soldering device with substrate cleaning beam
44. 5,977,511 - Process and device for welding sheets by laser to form compound sheets
45. 5,976,714 - Magnetic recording medium and method of producing the same
46. 5,973,290 - Laser apparatus having improved via processing rate
47. 5,971,130 - Workpiece identification providing method, workpiece, workpiece identifying method and apparatus thereof, and sheet metal machining apparatus
48. 5,969,335 - Laser control system for use in laser processing machine utilizing laser-induced plasma detecting system
49. 5,968,672 - Weldment produced by beam welding
50. 5,968,383 - Laser processing apparatus having beam expander
51. 5,968,382 - Laser cleavage cutting method and system
52. 5,968,381 - Method for the manufacture of a gas bag cover using laser scoring
53. 5,968,380 - Method for producing laser-welded tubes and apparatus for producing the same
54. 5,966,485 - Method of producing core protrusion relative to cladding in an optical fiber of a fiber optic connector
55. 5,965,044 - Laser perforating process for producing an acoustical and structural microporous sheet
56. 5,965,043 - Method for using ultrasonic treatment in combination with UV-lasers to enable plating of high aspect ratio micro-vias
57. 5,965,042 - Method and apparatus for laser marking with laser cleaning
58. 5,965,041 - Laser weld chassis assembly process for tolerance nullification
59. 5,961,862 - Deposition head for laser
60. 5,961,861 - Apparatus for laser alloying induced improvement of surfaces
61. 5,961,860 - Pulse laser induced removal of mold flash on integrated circuit packages
62. 5,961,859 - Method and apparatus for monitoring laser weld quality via plasma size measurements
63. 5,961,858 - Laser welding apparatus employing a tilting mechanism
64. 5,961,857 - Laser machining apparatus with feed forward and feedback control
65. 5,961,748 - Laser-welded steel pipe
66. 5,958,268 - Removal of material by polarized radiation
67. 5,958,267 - High pressure laser welding of nuclear fuel rods
68. 5,956,607 - Laser wire bonding for wire embedded dielectrics to integrated circuits
69. 5,956,438 - Laser-controlled photoionic microhead apparatus
70. 5,952,014 - Apparatus for texturing magnetic data recording disc surfaces
71. 5,951,892 - Method of making an abradable seal by laser cutting
72. 5,951,891 - Optical apparatus for monitoring profiles of textured spots during a disk texturing process
73. 5,951,890 - Laser weld disk cartridge
74. 5,951,889 - System and method for laser welding
75. 5,951,778 - Method for cleaning artwork
76. 5,951,731 - Laser processing method to a micro lens
77. 5,949,618 - Solder bump electrical connection and method for fabrication
78. 5,948,293 - Laser shock peening quality assurance by volumetric analysis of laser shock peened dimple
79. 5,948,292 - Laser beam machining apparatus, focus positioning device for laser beam machining apparatus, and converged laser beam diameter measuring device
80. 5,948,291 - Laser beam distributor and computer program for controlling the same
81. 5,948,290 - Method of fabricating an ink jet recording head
82. 5,948,289 - Laser beam machining method
83. 5,948,288 - Laser disk texturing apparatus
84. 5,948,287 - Process for the production of mask frames
85. 5,948,286 - Diffusion bonding of lead interconnections using precise laser-thermosonic energy
86. 5,942,138 - Process of producing laminar structure by bonding of sheet metal blanks after preliminary bonding
87. 5,942,137 - Method and apparatus for laser scribing grooves on hard crystals
88. 5,942,136 - Laser marking device
89. 5,942,135 - Process for welding a sintered friction-lined foil
90. 5,940,957 - Laser process for making a filter for an ink jet
91. 5,940,304 - Controlling a laser texturing tool having two handling stations for disks to be textured and a single texturing station
92. 5,939,704 - Radiation beam position sensor
93. 5,939,168 - Vision control panel for displaying discrete images observable from one side of the panel and method of making
94. 5,939,010 - Laser machining method
95. 5,938,954 - Submerged laser beam irradiation equipment
96. 5,938,953 - Laser beam apparatus for machining a workpiece
97. 5,938,952 - Laser-driven microwelding apparatus and process
98. 5,938,951 - Method and apparatus for the bonding of a contact element
99. 5,937,270 - Method of efficiently laser marking singulated semiconductor devices
100. 5,935,465 - Method of making implantable lead including laser wire stripping
101. 5,935,464 - Laser shock peening apparatus with a diffractive optic element
102. 5,935,463 - Wire welding method, and wire fixing jig
103. 5,935,462 - Repair of metal lines by electrostatically assisted laser ablative deposition
104. 5,935,294 - Method of manufacturing and transferring metallic droplets
105. 5,932,120 - Laser shock peening using low energy laser
106. 5,932,119 - Laser marking system
107. 5,932,118 - Photoprocessing method
108. 5,932,117 - Clamping system for sheet material in a welding system
109. 5,928,534 - Method for reducing void volumes in cavities for laser drilling
110. 5,928,533 - Method and apparatus for cleaning vulcanization molds for elastomer material articles
111. 5,927,129 - Apparatus and process for making cut extruded hollow profiles
112. 5,925,271 - Laser beam shaping device and process including a rotating mirror
113. 5,925,270 - Method of making anti-slip handles
114. 5,925,269 - Method of manufacture of corotron wire assembly
115. 5,925,268 - Laser welding apparatus employing a tilting mechanism and seam follower
116. 5,922,225 - Apparatus for reducing vaporized material deposits during laser cutting
117. 5,922,224 - Laser separation of semiconductor elements formed in a wafer of semiconductor material
118. 5,919,122 - Method of manufacturing filters
119. 5,918,523 - System for guiding cutting tool
120. 5,916,463 - Method of laser adjusting the switch-gap in a reed switch
121. 5,916,462 - Laser drilling processes for forming an apertured film
122. 5,916,461 - System and method for processing surfaces by a laser
123. 5,916,460 - Method and apparatus for dicing a substrate
124. 5,916,459 - Method of matching magnetoresistors in a sensor assembly
125. 5,916,458 - Production of optical module assembly
126. 5,915,316 - Embroidering and laser processing machine
127. 5,914,060 - Method of laser drilling an airfoil
128. 5,914,059 - Method of repairing metallic articles by energy beam deposition with reduced power density
129. 5,911,891 - Laser shock peening with tailored multiple laser beams
130. 5,911,890 - Oblique angle laser shock processing
131. 5,910,894 - Sensor based assembly tooling improvements
132. 5,910,282 - Method for making a multilevel polyimide stencil
133. 5,910,262 - Method and tool for laser texturing of glass substrates
134. 5,910,261 - Laser machining device and laser machining method of a round hole
135. 5,910,260 - Laser cutter and method for cutting sheet material
136. 5,906,760 - Exhaust system for a laser cutting device
137. 5,906,759 - Stent forming apparatus with stent deforming blades
138. 5,906,459 - Laser-assisted milling process
139. 5,904,869 - Automatic laser beam machining apparatus and performing automatic laser beam machining method
140. 5,904,868 - Mounting and/or removing of components using optical fiber tools
141. 5,904,867 - Tool position control
142. 5,903,460 - Method of manufacturing a thin film magnetic head
143. 5,902,499 - Method and apparatus for machining material with a liquid-guided laser beam
144. 5,902,498 - Methods of joining metal components and resulting articles particularly automotive torque converter assemblies
145. 5,902,497 - Process and device for cooling the area of a weld during laser welding
146. 5,900,171 - Laser machining apparatus with head support by angularly movable expandable arms
147. 5,900,170 - Containerless method of producing crack free metallic articles by energy beam deposition with reduced power density
148. 5,900,079 - Method for producing a steel pipe using a high density energy beam
149. 5,897,800 - Laser beam machine based on optically scanning system
150. 5,897,799 - Laser processing apparatus
151. 5,897,798 - Laser texturing apparatus employing a rotating mirror
152. 5,897,797 - Produce marking system
153. 5,897,796 - Method and apparatus for in-situ laser welding of hemmed joints
154. 5,895,589 - Apparatus, including a diode laser array, for removing automobile windshields
155. 5,895,588 - Controller of laser marking machine
156. 5,893,990 - Laser processing method
157. 5,893,989 - Laser machining device, in particular for machining track rods
158. 5,893,988 - Hybrid circuit trimming system and method including protective light-intercepting cap
159. 5,893,987 - Laser output control system
160. 5,889,256 - Laser machining apparatus with deformable mirror
161. 5,889,255 - Method of deburring eyelens needle blanks with a laser beam
162. 5,889,254 - Method and apparatus for Nd: YAG hardsurfacing
163. 5,889,253 - Laser beam machining apparatus and method which employs a laser beam to pretreat and machine a workpiece
164. 5,887,520 - Method of fabricating plastic mask for paste printing with an excimer laser
165. 5,886,320 - Laser ablation with transmission matching for promoting energy coupling to a film stack
166. 5,886,319 - Automatic operations on materials
167. 5,886,318 - Method for laser-assisted image formation in transparent objects
168. 5,886,317 - Process for engraving a structure into the surface of a work piece with a laser
169. 5,886,316 - Method and apparatus for treating waste and for obtaining usable by-product
170. 5,886,313 - Laser diode array device for bonding metal plates
171. 5,885,683 - Electrical component exhibiting clean laser cut
172. 5,883,357 - Selective vacuum gripper
173. 5,883,356 - Laser scoring process and apparatus
174. 5,882,572 - Method for producing a line-shaped weakening by means of lasers
175. 5,882,438 - Method for the formation of a frangible zone for the fracture separation of a machine part, in particular, a connecting rod for internal combustion engines
176. 5,881,634 - Two-sided cooking system with laser markings
177. 5,881,445 - Method of producing micro-apertures in optically flat surfaces and structures when made by the method
178. 5,880,430 - Method and apparatus for laser engraving
179. 5,880,429 - Composite laser and punch processing device
180. 5,880,428 - Laser welding line for repairing a closure fault of a metal tube containing at least one transmission optical fiber
181. 5,878,464 - Apparatus and method for converting continuous tow fibers into a staple length
182. 5,878,068 - Energy quantity control method
183. 5,877,960 - Method and apparatus for monitoring and positioning a beam or jet for operating on a workpiece
184. 5,877,472 - System for laser-welding components of an implantable device
185. 5,874,710 - Fixing heater and fixing apparatus with trimmed resistive member
186. 5,874,708 - Caser seam welding of aluminum alloys
187. 5,873,511 - Apparatus and method for forming solder bonding pads
188. 5,870,421 - Short pulsewidth, high pulse repetition frequency laser system
189. 5,869,805 - Method and device for working materials using plasma-inducing laser radiation
190. 5,869,804 - Laser-welded ball-and-socket connection
191. 5,869,803 - Method of forming polycrystalline silicon layer on substrate and surface treatment apparatus thereof
192. 5,866,870 - Enhanced laser beam welding
193. 5,865,576 - Relative positioning machine
194. 5,864,430 - Gaussian beam profile shaping apparatus, method therefor and evaluation thereof
195. 5,864,114 - Coating removal apparatus using coordinate-controlled laser beam
196. 5,864,113 - Cutting unit for pipes produced in continuous lengths
197. 5,864,112 - Welded plate heat exchanger and method for welding heat transfer plates to a plate heat exchanger
198. 5,863,405 - Process for forming conductive circuit on the surface of molded article
199. 5,861,603 - Mask structure and method of making the same
200. 5,861,602 - Snap together PCMCIA cards with laser tack welded seams
201. 5,859,775 - Apparatus and method including deviation sensing and recovery features for making three-dimensional articles
202. 5,859,476 - Multi-layer wiring structure having narrowed portions at predetermined length intervals
203. 5,859,405 - Cutting tool precision turning method and apparatus for a heat-treatable steel workpiece
204. 5,859,402 - Process for the welding of work pieces with laser beams
205. 5,858,478 - Magnetic field pulsed laser deposition of thin films
206. 5,857,055 - Method of imparting surplus length to optical fibers in a protective metal tube and a line for implementing the method
207. 5,856,649 - Laser beam machine
208. 5,856,648 - Method and apparatus for producing wells in the surface of a rotogravure cyclinder with a laser
209. 5,855,836 - Method for selective deposition modeling
210. 5,855,835 - Method and apparatus for laser ablating a nozzle member
211. 5,855,173 - Zirconia alloy cylinders and sleeves for imaging and lithographic printing methods
212. 5,855,063 - Method of making contact pad having metallically anchored elastomeric electrical contacts
213. 5,855,049 - Method of producing an ultrasound transducer

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