Piezoelectric Materials
Hemispheres & Focal Bowls
Hemispheres are available in two forms:- Unmachined, low
cost, hemispheres with mechanical tolerances + 3% or 0.3mm
whichever is greater. Fully machined hemispheres and focal
bowls to standard, mechanical tolerances

Unmachined
Hemispheres are available from existing tools in the
following sizes:
|
Outside Diameter
|
Wall Thickness
|
|
D
/ mm
|
T
/ mm
|
|
11.0
|
2.25
|
|
14.0
|
2.7
|
|
23.5
|
2.5
|
|
25.5
|
3.0
|
|
26.1
|
4.0
|
|
29.4
|
3.0
|
Full
machined hemispheres and focal bowls.
The size range achievable is as follows:
Outside Diameter Minimum 6.0mm Maximum 75.0mm
Inside Diameter Minimum 4.0mm Maximum 73mm
Standard
sizes available:
|
Outside Diameter
|
Wall Thickness
|
|
D
/ mm
|
T
/ mm
|
|
6.35
|
1.0
|
|
10.0
|
1.25
|
|
12.7
|
1.5
|
|
23.0
|
2.0
|
|
25.0
|
2.5
|
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© Morgan Electro Ceramics, 2007.
No information may be used without prior written consent.
|