Contract Glass Microfabrication Services

We pride ourselves on the ability to listen to our customer requirements and then providing industry leading high-quality, high-precision, glass parts that meet our customer’s requirements with a cost-effective solution that is scalable to mass production.

The Citrogene Solution™ can produce your product in nearly any type of glass. We have developed proven processes for Quartz, Fused Silica, Borofloat, Soda Lime, Alkali-free Boroaluminosilicate, Aluminosilicate. If your material is not listed here, give us a call and talk to our engineers so we can work with you to develop a process for your specialty glass.

To make your experience working with Citrogene more seamless, we have developed the following set of design guidelines to help us get your parts to you faster.

Citrogene is set up to take your high precision glass ideas and make them a reality. We are ready to support you from the prototype stage through to mass production. Please click below and send a drawing (dxf, dwg or pdf  file) or even a sketch on a napkin of what you need.



Quartz, Fused Silica, Borofloat, Soda Lime, Alkali-free Boroaluminosilicate, Aluminosilicate (contact Citrogene if your desired glass is not listed here)

Minimum Substrate Size

15 mm x 15 mm

Maximum Substrate Size

300 mm x 300 mm

Minimum Substrate Thickness

30 µm

Maximum Substrate Thickness

3.0 mm (Please contact Citrogene for thicker material)

Minimum Channel Width

30 µm

Maximum Channel Width

200 µm

Maximum Channel Aspect Ratio

100 µm channels in 2 mm thick material

Channel to Channel Pitch1

100 µm

Wall Taper

< 2 degree

Multiple Channel Depths

Possible, please contact Citrogene

Minimum Through Hole/Via Size2

25 µm in 100 µm thick material

Maximum Hole/Via Aspect Ratio

25 µm in 100 µm thick material

Minimum Hole to Hole Pitch3

100 µm
Summitted Artwork

Accepted Drawing Formats4



  1. Channel to Channel pitch is dependent on the channel width.
  2. Minimum blind hole or through hole diameters is dependent on the material thickness.
  3. Minimum through hole to hole pitch is dependent on the hole diameter and the material thickness.
  4. Please always include a dimensional PDF Drawing when submitting.