2
1. Introduction
About this Manual
RTI Slit Camera User’s Manual
1.0B
Table of Contents
1.
Introduction ........................................................................................3
1.1.
About this Manual .................................................................................. 3
1.2.
Introduction to the Slit Camera ............................................................... 3
2.
Description of the RTI Slit Camera ....................................................4
2.1.
Setting Up the Slit Camera for the First Time .......................................... 5
2.2.
Hardware and Specifications .................................................................. 5
2.2.1.
Slit Camera ................................................................................... 5
2.2.2.
Dimensions ................................................................................... 5
2.3.
Standards and Compliances .................................................................. 6
2.3.1.
Waste Electrical and Electronic Equipment (WEEE) ....................... 6
3.
Theory of Focal Spot Reproduction ..................................................7
3.1.
Theory................................................................................................... 7
3.2.
Why measure the focal spot? ................................................................. 8
4.
X-Ray Tube Focal Spot Measurements ........................................... 11
4.1.
Purpose .............................................................................................. 11
4.1.1.
Equipment Recommended for Focal Spot Measurements ............. 11
4.2.
Focal Spot Test Stand Alignment ......................................................... 11
4.3.
Slit Measurement Using Film and Magnifier Lens .................................. 12
4.4.
Slit Measurement Using Digital Image .................................................. 13
4.4.1.
Evaluation using ImageJ .............................................................. 13
5.
Word List .......................................................................................... 16
6.
Appendix A ....................................................................................... 19
6.1.
A.1. Nominal Focal Spot Size - IEC 60336 ............................................ 19
7.
Index ................................................................................................. 21