Linear Scales

Linear scales are available in lengths of up to 3400 mm! Wide selection of substrate material includes float glass, BK7, optical glass, ceramics, aluminium oxide, as well as low coefficient of thermal expansion options like quartz glass, borosilicate, robax, zerodur and others. Depending on the industry and application, different specifications of linear scales can be selected to better suit customer needs. You can check full range of specifications in PDF form by clicking the link at the bottom of the page.

Manufacturing Capabilities

NG1 Black Glass Encoder Scales

NG1 Black glass is unique glass which perfectly fits for applications where reflective reading heads are used. Glass itself absorbs light pretty well and doesn’t require any additional coating on the back of the scale.
ParameterValue
LengthUp to 130 mm
WidthUp to 130 mm
Thickness0,5-4 mm
Tolerance±0,05 mm (thickness)
Coefficient of thermal expansion6,6 -7,2 x 10^-6/K
NG1 Black Glass Encoder Scale

Quartz Glass Encoder Scales

Clear fused quartz glass is a unique material with an unrivalled combination of purity, high temperature resistance, thermal shock resistance, high electrical insulation, optical transparency and chemical inertness.

ParameterValue
LengthUp to 130 mm
WidthUp to 130 mm
Thickness0,5-4 mm
Tolerance±0,05 mm (thickness)
Coefficient of thermal expansion0,52 x 10^-6/C°
Quartz Glass Encoder Scale

Robax Glass Encoder Scales

Scales from Robax glass have a thermal expansion coefficient of almost zero and a great price ratio comparing to other low thermal expansion glasses.
ParameterValue
LengthUp to 1600 mm
Width15-50 mm
Thickness3-4 mm
Tolerance±0,2 mm (thickness)
Coefficient of thermal expansion0±0,5 x 10^-6/K
Robax encoder scale

BK7 Glass Encoder Scales

BK7 is a high quality optical glass that is usually used when the extra advantages provided by fused silica are not required. BK7 performs well in all chemical tests, so no additional or special handling is needed, which in turn reduces the costs of manufacturing. It is a relatively hard material with extremely low bubble and inclusion content.

ParameterValue
LengthUp to 130 mm
WidthUp to 130 mm
Thickness0,5-4 mm
Tolerance±0,05 mm (thickness)
Coefficient of thermal expansion7.1 x 10^-6 K^-1
BK7 Glass Encoder Scale

Borofloat Glass Encoder Scales

Borofloat glass has outstanding thermal resistance, exceptionally high transparency and high chemical durability, scales made from Borofloat have excellent mechanical strength as well.

ParameterValue
LengthUp to 2000 mm*
*longer scales on request
WidthUp to 100 mm (pattern height up to 26 mm)
Thickness0,7 - 11 mm
ToleranceUp to ±0,05 mm (thickness)
Coefficient of thermal expansion3,25 x 10^-6 K^-1
Borofloat Glass Encoder Scales

D263 Glass Encoder Scales

D263 thin glass is a clear borosilicate glass. Scales produced using D263 are exceptionally high in chemical resistance.

ParameterValue
LengthUp to 440 mm
WidthUp to 100 mm (pattern height up to 26 mm)
Thickness0.3 - 1.1 mm
ToleranceUp to ±0,05 mm (thickness)
Coefficient of thermal expansion7,2 x 10^-6 K^-1
D263 Glass Encoder Scale

Soda Lime Glass Encoder Scales

Soda Lime glass is readily available, with a wide range of applications. Due to the high thermal expansion coefficient, scales manufactured using Soda Lime have a low resistance to sudden changes in temperature..

ParameterValue
LengthUp to 3400 mm
WidthUp to 100 mm (pattern height up to 26 mm)
Thickness0,3-8 mm
ToleranceUp to ±0,05 mm (thickness)
Coefficient of thermal expansion8,3 x 10^-6 K^-1
Soda Limes Glass Encoder Scale

Ceramic Encoder Scales

Ceramic has good thermal conductivity, stable insulation, thermal shock resistance, wear resistance, Anti-acid and Anti-alkali.

ParameterValue
LengthUp to 130 mm
WidthUp to 130 mm
Thickness0,1 - 5 mm
ToleranceUp to ±0,05 mm (thickness)
Coefficient of thermal expansion8,5 x 10^-6 K^-1
Ceramic Glass Encoder Scale
Woman holding a linear scale