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Ansoft Designer / Ansys Designer 在线帮助文档：

Working with Designer Projects >
   Creating Projects >
       Choosing a Layout Technology           

Choosing a Layout Technology

Designer can associate a predefined stackup, (also called the substrate or technology), with each design. A technology includes stackup layers’ material properties, units, thickness, elevation, and roughness data, and associated substrate definitions for System, Nexxim Circuit, or Planar EM simulation. The current technology or substrate is applied to components defined for a design or copied in from other designs.

When you insert a new design into a project, the Choose a Layout Technology dialog box opens, allowing you to choose the stackup technology on which your design will be based. You can choose a technology, proceed to design editing without selecting a technology, or abort adding a design to your project.

In the Choose a Layout Technology dialog, do one of the following:

• To use one of Designer’s predefined technologies, select its entry in the list, and then click Open.

• To use an existing techology not shown in the list, click Browse. Through the Open dialog box, browse to and select the Ansoft Technology (.asty) file that contains the technology you want to use, and then click Open.

• To add a design without choosing a technology, click None.

• To choose not to add a new design to your project, click Cancel.

When you specify a technology or click None, a blank design of the type you selected opens for editing.

All components that can use a substrate technology will automatically be assigned the technology you choose for the design. This includes components added from the Components window and components pasted in from other designs. If no technology has been selected, no substrate is assigned to components.

As a result, when a schematic from a project that has a substrate definition is copied into another project, the pasted schematic will use the substrate that is defined for the second project, if a substrate has been defined. If no substrate has been defined for the second project, the schematic elements are copied in with no substrate (“SUB” property is empty).

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