Nickel Shims / nickel molds

Nickel molds are made for nanoimprint lithography and replication and we have long experience with the production of nickel molds, (often called nickel shims or nickel sleeves). We happen to be experts in custom specified structures.

MLA master, nickel

Nickel Shims and how we can help

Nickel shims are always made from an existing pattern, which typically is a silicon
or fused silica master. From the master, we can create a corresponding nickel mold with the same polarity or the opposite polarity of the master. Since we make the nickel molds based on a silicon or fused silica master, we can offer nickel molds with the same structures as we can offer on silicon or fused silica.

Examples are:

MLA profile shape_Nickel shims

Use of nickel molds/shims

Nickel molds/nickel shims can be used for a wide range of replication processes. For example:

One of the advantages of nickel molds is that it can be bent and shaped, unlike silicon or fused silica. This allows nickel molds/shims to be fixed onto rollers for high-throughput processes.

Typical applications are microfluidic devices, surface functionalization and engineering, microlens arraysdiffusers, diffraction grating etc.

Specifications for our nickel shims:

MaterialNickel
Size (wafer)NiV or CrAu
Sizes (cut)Up to 140 mm diameter round or any other format that fits within 240 mm diameter round
Thickness50 um to 1 mm
Minimum lateral dimension100 nm
Aspect ratioUp to 1:3 (pattern dependent)
DesignCustomer specified
Design file formatgds, dxf, tdb
Anti-stickingFDTS with Al2O5 adhesion promotor (optional)