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NPG3. NPG4. NPG1. NPG2. Scanned particles and areas. Scanned particles are labeled. Scanned areas are marked by red boxes. P13 and P14 were scanned to get closer to NPG1, so that a relatively precise position can be calculated. Scan on P13 4x4 um. P 14. P 13. Scan on P13 & P14 4x4 um.

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Npg1

NPG3

NPG4

NPG1

NPG2

Scanned particles and areas

  • Scanned particles are labeled. Scanned areas are marked by red boxes.

  • P13 and P14 were scanned to get closer to NPG1, so that a relatively precise position can be calculated.

Scan on P13

4x4 um

P 14

P 13

Scan on P13 & P14

4x4 um


Npg1

Scanned particles and areas

P7

  • Particles scanned in order: P13, P14, P1 (w/ indent), P15 (can not see), P16 (can not see), P3 (w/ indent), P7 (w/ indent).

P2

P3

P 17

P1

P 15

P 16


Optical postindent

20x

40x

Optical – PostIndent


Sem 5 29 2009

P7

P2

P3

P 17

P1

P 15

P 16

SEM 5/29/2009

  • No indication of defects in SEM images

  • P15 and P16 have both moved, explains lack of imaging

  • Red outline shows intended indent


Load displacement curve

Load-displacement curve

It is interesting that the loads on grid with particles are lower than the loads on blank grid. This is different from what we saw last time.


Indent p1

Indent P1

Expected indentation location

  • Scanned lower part of P1 twice.

Scanned area

1st scan, can not judge position.

2x2 um

2nd scan

2x2 um


Npg1

NP1


Npg1

NP1


Npg1

NP1


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