|
|
|
Figure 2
Optical microscope image of the grid mask. The holes (diameter ∼45 µm) are bored at an interval of 344 µm. |
Open
access
access|
|
|
Figure 2
Optical microscope image of the grid mask. The holes (diameter ∼45 µm) are bored at an interval of 344 µm. |
access