MEMS devices rely on suspended membranes, comb drives, and etched cavities. The 25D view allows you to visually verify that sacrificial release layers match the placement of structural layers, ensuring that your bridges or cantilevers are properly anchored. 2. Via Stack and Contact Auditing
: The feature uses OpenGL for real-time rotation and scaling.
KLayout, the industry-standard open-source layout viewer and editor, bridges this gap through its powerful plugin. Often referred to as a "pseudo-3D" viewer, this feature extrudes 2D mask layers into 3D space based on user-defined height and thickness profiles. klayout 25d view
Generate intuitive, 3D-like screenshots for design reviews, documentation, and presentations with non-layout engineers.
Integrated circuit (IC) and microelectromechanical systems (MEMS) designers often struggle to visualize flat, two-dimensional layout files in a realistic three-dimensional space. Traditional GDSII and OASIS viewers present designs as flat, overlapping polygons across various process layers. While this 2D view is essential for layout editing and Design Rule Checking (DRC), it fails to convey the physical topography of the fabricated device. MEMS devices rely on suspended membranes, comb drives,
For 95% of layout verification tasks, the 2.5D view provides exactly what engineers need: a fast, lightweight, and intuitive look at layer overlap and vertical connectivity. Key Benefits of Using 2.5D Visualization 1. Verification of Vias and Contacts
: Assign highly contrasting colors to your layers in the 2D layout view before exporting to 25D. This makes tracking vertical via connections highly visual. Via Stack and Contact Auditing : The feature
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artificially exaggerates the height, making layer transitions obvious. Advanced Use Cases 1. MEMS Design and Cavity Verification
Zoom into the specific cell or region of interest (rendering an entire multi-billion transistor chip in 25D is not recommended).