Progress in Vacuum Pressure Measurement
Progress in Vacuum Pressure Measurement
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1. Progress in Vacuum Pressure Me…
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2. Overview
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3. What is Vacuum?
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4. Early History
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5. The Quest for the Ultimate Vac…
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6. Changing Markets
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7. The Quest for Reproducibility
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8. Semiconductor Manufacturing
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9. Copy Exactly!
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10. Definitions
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11. Process Ranges
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12. Many ways to mesasure presure
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13. Vacuum Pressure Sensors Ranges
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14. The Ubiquitous Four
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15. Pirani in the Market Place
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16. MARTE, Mars Environment Simula…
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17. Hot Ionization Gauge
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18. Hot Cathode Ion Gauge
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19. Hot Ionization Ranges
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20. INFICON Manufactured Bayard-Al…
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21. Untitled: Slide 21
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22. Inverted Magnetron
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23. Inverted Magnetron Ion Gauge
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24. Inverted Magnetrons
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25. Inverted Magnetron MPG550
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26. Novel Magnet Design
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27. Low Magnetic Stray Field
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28. External Magnetic Field
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29. Capacitance Diaphragm gauge
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30. Vacuum Measurement
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31. Direct vacuum measurement (1)
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32. Direct measurement of vacuum (…
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33. Direct measurement of vacuum
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34. Membrane
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35. CDG Cell
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36. From C to a readout
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37. From C to a readout
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38. Capacitive Diaphragm Gauges
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39. Innovative Portfolio
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40. Functional Blocks of a CDG
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41. Effect of Process Contaminatio…
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42. Process build-up on CDG's
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43. Observed Contaminations
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44. CR096-S 10T SN225/SN333
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45. Design Improvements
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46. Issues
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47. Goal
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48. TiN Uses in Semiconductor Indu…
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49. TiN Process Basic Chemistry
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50. By-product Reactions
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51. Surface chemistry mechanism fo…
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52. Stream Function CVD Reactor
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53. Profiles of Mass Fractions
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54. Validation Results
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55. Validation Results
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56. Gauge Designs
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57. TiCl4 + NH3 Process in a CDG 1…
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58. Comparison Deposition Profile …
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59. 3D Pressure Profile During Pre…
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60. Stress on Membrane as Function…
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61. Pressure/Knudsen Number (x, t)
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62. Summary Dynamics
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63. Membrane Contamination
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64. Best Membrane Protection
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65. Helical Baffle System
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66. Process Drift Improvement
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67. Summary of Simulation
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68. Small Scale CDGs
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69. Untitled: Slide 69
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70. Pirani
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71. Thermal Conductivity Sensor
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72. Pirani Sensor Elements
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73. Issues
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74. Range Extensions
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75. Increasing the Upper Pressure …
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76. Increasing the Upper Pressure …
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77. Increasing the Upper Pressure …
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78. Reducing the Lower Pressure Li…
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79. Reducing the Lower Pressure Li…
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80. A Comparison
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81. Carbonized filament
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82. Fluorine Etch of W Wire
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83. W Filament 10 min in 40% HF So…
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84. PSG502 Ni Filament with HF
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85. Pirani in liquid (!) HF
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86. Critical Materials: ZnO
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87. Accuracy PSG vs. PCG
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88. Insufficient Corrosion Resista…
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89. What is the Ceramic Coated sen…
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90. Testing
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91. Testing
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92. Wireless Pressure Sensing
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93. Manufacturing
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94. Manufacturing: Automation
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95. Manufacturing: SPC Pirani
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96. Manufacturing: Optical Inspect…
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97. Factory Calibration
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98. Optical Methods
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99. NIST FLOC
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100. NIST FLOC
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101. NIST FLOC
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102. University of Umea: GAMOR
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103. Summary
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104. Summary
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105. Vacuum Control in Liechtenstei…
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