Capabilities

Capabilities

Manufacture Capability

2020-05-22 14:36:24

Beijing Delfa have the capability to ensure that all of our products quality are reliable and consistent because we have the high-teach staffs, consummate and scientific management system, advanced manufacturing equipments and inspecting instruments, using commonly standard for testing quality.

Delfa can supply products with different precision according to customer’s request:

 Fabrication Capabilities

Surface Tolerances

Standard

Precision

Mfg. Limit

SurfaceQuality   (Scratch/Dig)

60/40

20-10

10-5

Surface Power   (waves @633nm)

2-3

1-2

0.5

Surface   Irregularity (waves @633nm)

0.25

0.1

0.1

Surface Flatness   (waves @633nm)

2-3

0.1

0.05


Dimensional Tolerances

Standard

Precision

Mfg.   Limit

Diameter (mm)

+0/-0.1

+0/-0.05

+0/-0.01

Length &   Width (mm)

+0/-0.1

+0/-0.05

+0/-0.01

Thickness (mm)

+/-0.15

+/-0.05

+/-0.01

Clear Aperture   (%)

95%

100%

100%

Contrition (edge   thickness difference, mm)

0.15

0.05

0.01

Wedge (degrees)

+/-10’

+/-10’’

+/-5’’

Parallelism   (degrees)

+/-10’

+/-10’’

+/-5’’

Angle tolerances [prisms]   (degrees)

+/-0.5°

+/-10’’

+/-5’’

Bevel

0.2x45°

+/-10’’

0.05x45°

                                                                                    

 Machine & Equipment Capacity


                            Quantities & Types

Polishing   machines

                                                       Precise optical polishing/30   sets

Coating chambers

                                                       Vacuum coating machine/ 5   sets

 

 

Test equipments

1.Horizontal Interferometer   and FUJINON interferometer

2. Pekin-Elmer lambda 900

3. Pekin-Elmer 983 IR   spectrophotometer/Thickness Gage/

4. Trioptics’ OptiCentric controls   centeration

5. Universal tool microscope

 


     


Other Capabilities:

-We use interferometer or tooling to measure radius of curvature.

-We use interferometer to certify your test plates for radius and irregularity.

-We have fringe analysis software (Chinese made).

-Our standard coatings is AR coating from 400-1000nm and IR AR coating from 3-5um, 8-14um.

-We perform Mil standard on your coatings.

-We can design and coat custom multilayer coatings.

-Our cementing capabilities is double and triple.

-We use AQL 0.65 to judge the size of defects found in surface quality inspections.

 

 

Reticles

Beijing Delfa is making single and bonded reticles for customers. Please contact us for more details.

Aspherical Lens

Beijing Delfa is making coated aspherical lens. The material can be Germanium, ZnSe, ZnS, etc. Please contact us for more details.

Optical Encoder

Beijing Delfa started to make mass production of OEM optical encoders for customers world wide.

+86-10-6212-9087