Canon CXDI-55C, Руководство по обслуживанию

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4. Repair Guide
9
•
Grid foil direction:
User-selected. However, it must be parallel to the lengthwise or widthwise direction.
•
Grid lattice density:
40 lines/cm +/-5% (fluctuations in number of lines per unit: less than +/-1%)
•
Grid ratio/Focusing distance:
User-selected
•
Grid surface (for EU):
Biological safety (EN ISO 10993-1/5/10) must be taken into account for the surfaces that
can come into contact with the patient.
•
Grid mounting angle:
The tolerance must be less than 1 degree for the angle at which the grid is mounted vis-a-vis
the rows of sensor pixels.
However, an angle of less than 0.3 degree is preferred for optimal functioning of the grid
stripe reduction process.
Note: Mounting angle = Relative angle between the sensor pixel rows and grid stripe
•
Recommended grid manufacturers:
Mitaya Manufacturing, SMIT, JPI
•
Other notes:
Other specifications not shown above should be compliant with JIS4910-2000.
3.3 Configuration
3.3.1 Grid unit configuration
The parts required for adhering the grid to the grid frame unit are shown in the table below.
NO. PARTS NAME PARTS NO. Q’TY REMARKS
1 Grid - 1 Obtained by the sales company
2 Grid frame unit BM7-0061 1 Optional product
3 Grid spacer 4L (1.5 mm thick) BA5-0322 2
4:1 grid ratio specification
(stamp mark 4)
4 Grid spacer 4S (1.5 mm thick) BA5-0323 2
4:1 grid ratio specification
(stamp mark 4)
5 Grid spacer 8L (0.7 mm thick) BA5-0325 2
8:1 grid ratio specification
(stamp mark 8)
6 Grid spacer 8S (0.7 mm thick) BA5-0326 2
8:1 grid ratio specification
(stamp mark 8)
7 Grid spacer 0L (0.3 mm thick) BA5-0328 2
10:1 grid ratio specification
(stamp mark 0)
8 Grid spacer 0S (0.3 mm thick) BA5-0329
2
10:1 grid ratio specification
(stamp mark 0)
9
Double-sided tape (F9473PC made
by Sumitomo 3M, 0.255 mm thick,
11 mm wide)
- n
Used to adhere grid spacer
(same tape used for all spacers).
10
Double-sided tape (Y-4930 made by
Sumitomo 3M, 0.64 mm thick, 11.5
mm wide)
- n Used to adhere grid
* Parts indicated in blue are service parts.