|
EXAMPLE:
| END ITEMS | LOGIC |
CRITICAL TECHNOLOGY ELEMENTS |
LOGIC |
KEY COMMODITES | LOGIC |
KEY PARAMETERS |
|
A. Substrate Wafers |
*Orientation Accuracy *Resistivity Accuracy |
| - Wafer
Slicing
|
| a. Interior Diamater [sic] Saws | OR |
*Minimum Kerf Width
*Minimum Induced Stress |
| THEN | B. Wire Saws |
| *Minimum Kerf Width
*Minimum Induced Stress |
| - Wafer
Lapping
|
a. Wafer Polishers | |
*Minimum Induced Stress
*Maximum Polishing Depth |
B. Epitaxially Built Up Wafers |
*Crystal Orientation
*Minimum Gas Purity |
| - Molecular
Beam Epitaxy
|
| OR | a. MBE Machines |
| *Maximum Beam Precision |
|