- Database
- Experimentalists
- Date
- 2011-07-19
- Provider
- IPAG
- Thickness
- 15.0 $\pm$ 5.0 ${\mu}m$
- Diameter
- 40.0 ${\mu}m$
- Substrate material
- diamond window
- Substrate comments
- diamond window of 3.5mm diameter
- Comments
- manual selection under binocular of about 10 matrix grains of approximate diameter between 30 and 50 microns
- Temperature
- 22.0 $\pm$ 2.0 $^{\circ}C$
- Temperature max
- 22.0 $\pm$ 2.0 $^{\circ}C$
- Type
- vacuum
- Fluid pressure
- 2.5e-06 $\pm$ 5.0e-07 $mbar$
- Comments
- sample put in a cell enabling acquisition under primary or secondary dynamic vacuum (from $10^{-4}$ mbar down to $10^{-7}$ mbar)
- Number
- 1
- Layers
-
- Layer #1 , 15.0 ${\mu}m$
- Title
- selection of the matrix grains
- Matters
- Sample
- QUE99177 matrix grains (CR Chondrite) (this sample)
- Processing steps
-
Step Chronology Date Type Process Changes #1 before layer formation 2011-07-19 mechanical Manual selection under optical binocular of about 10 matrix grains of about 30-50 microns diameter. Matrix selection based on its black color and on its fine-grained texture #2 during layer formation 2011-07-19 mechanical Grains pressed between two diamond windows with a mechanical press grain crushed down to a thickness of about 10 microns