10. Possible types of Si-sensor:
SILICON CALORIMETRY FOR A LINEAR COLLIDER G.Bashindzhagyan, Il Park
August 2002
1. Silicon sensor
First option:
One sensor 1010 cm2 size.
Second option:
Four sensors 55 cm2 size.
A cost per 1 cm2
can be essentially less
for the second option.
~10 cm
~10 cm
6” Si-Wafer
Possible types of Si-sensor:
Pixel sensor
Strip sensor
Sensor size: 55 cm2
Pixel size: 1.251.25 cm2
Pixel area: 1.56 cm2
Number of pixels: 16
Sensor size: 55 cm2
Strip width: 0.5 cm
Strip area: 2.5 cm2
Number of strips: 10
Pixel sensor
For coupled strip sensors
Sensor size: 55 cm2
Pixel size: 0.50.5 cm2
Pixel area: 0.25 cm2
Number of pixels: 100
Two sensor size: 510 cm2
Strip width: 0.5 cm
Strip area: 5 cm2
Number of strips: 10

11. To the module electronics
SILICON CALORIMETRY FOR A LINEAR COLLIDER G.Bashindzhagyan, Il Park
August 2002
2. Kapton Cable
Kapton thickness ~20 µm;
Gold strip-line thickness ~10 µm;
Gold strip-lines width ~100 µm;
- The Detector Board (G10 ?);
- Kapton layer;
- Gold strip-line on the kapton;
- Silicon sensors;
- Elastic foam band.
Top View.
~ 2 mm
5 (6;10) cm
Gold strip-lines
The holes in the kapton
Kapton cable
Detector Board iside the Module. Cross section.
To the module electronics
Kapton cable with gold strip-lines
Elastic foam band
Si-sensor
Tungsten
~2.5 mm
Detector board
Tungsten
Gold strip-line
Points of bonding
Gold strip-line
Kapton
Point of bonding
Aluminum on
the Si-sensor
Silicon sensor
Aluminum wire  25 µm
Silicon sensor
The strip-line bonding:
only one contact
no additional thickness.
Compare to regular wire bonding:
three contacts
protection is required.

12. …….. 3. Mechanical Structure. Possible types of the module
SILICON CALORIMETRY FOR A LINEAR COLLIDER G.Bashindzhagyan, Il Park
August 2002
3. Mechanical Structure.
Possible types
of the module
Stainless steel
plate
~1 m
Module
electronics
Si/W layers
……..
~1 m
Internal structure (not in scale).
Stainless steel plate ~10 mm
Tungsten plates mm
Spacers glued to W
Spacers/Ribs
~ 500 mm long;
material: steel(?), titanium (?)
~3 mm
~0.3 mm
~0.2 mm
50 mm
50 mm
2.5 mm

13. Cross section (not in scale).
SILICON CALORIMETRY FOR A LINEAR COLLIDER G.Bashindzhagyan, Il Park
August 2002
4. Detector Board.
Top View.
Length: ~50 cm
Width: 5/6/10 cm
Pixel size: cm2
Detector Board G10 (?)
0.2 mm
0.1 mm
0.1 mm
Pixeled Si sensors
Cross section (not in scale).
Gold strip-lines on the kapton cable
Kapton cable
Elastic foam band
~2.5 mm
Detector Board
Silicon sensors