10/01/01, entire wafer to Ashutosh for x-ray work; it broke in half at some point during mounting/dismounting from the x-ray setup

1/24/02
Ashutosh cut 1cm x 1 cm piece for study. Did H-etching at 1750 C, 90 s H-etching; images (use high 30 kV accelerating voltage (usual is 10 kV), so they show the underlying porous network):

• SEM image 1
• SEM image 2
• SEM image 3
• SEM image 4

3/15/02
Plan-view and xsectional SEM images on unetched sample:

• XSEM image 1
• XSEM image 2
• SEM image 1
• SEM image 2
• SEM image 3
• SEM image 4

• XSEM image 1
• XSEM image 2
• XSEM image 3
• XSEM image 4
• XSEM image 5
• XSEM image 6
• plan view SEM image 1
• plan view SEM image 2
• plan view SEM image 3
• plan view SEM image 4
• plan view SEM image 5

7/29/02
Plan-view SEM images on 2 min RIE sample:

• SEM image 1
• SEM image 2
• SEM image 3
• SEM image 4

• SEM image 1
• SEM image 2
• SEM image 3
• SEM image 4

• SEM image 1
• SEM image 2
• SEM image 3
• SEM image 4