Electronic signature refers to the data contained in the data message in electronic form and accompanied by data used to identify the identity of the signer and show that the signer approves its content. Generally speaking, electronic signature is an electronic signature of electronic documents through cryptographic technology, which is not a digital visualization of written signature, but similar to handwritten signature or seal, and can also be said to be an electronic seal.

To make an electronic signature:

1. First, scan the personalized signature prepared in advance into a picture format with a printer or mobile phone.

2. Open the pre-installed R2V raster image vectorization software, open the just-scanned image, frame the name area, and select Auto Vectorization under the Vector tab; Select CAD graphics; Select the boundary line.

3. Click the file tab and select the output vector; The pop-up Save As window selects to save in DXF file format.

4. Open the DXF file just saved with AutoCAD, delete, adjust and fill it. The personalized electronic signature of CAD is completed.

5. Open BetterWMF software and set the line and fill color to black; Open the CAD interface, press "Ctrl+C" to copy, and press the space bar to paste into the word document; Save the pasted WMF picture as a "PNG" format picture.

In this way, CAD electronic signature and word document electronic signature are completed; The name size can be adjusted at will according to the use requirements, and the clarity is also very high.