PDF .NET Library Documentation - PDF Technologies, Inc.
Opc barcode class.

Namespace:  PDFTech.Barcodes.Barcode1D
Assembly:  PDFTechLib (in PDFTechLib.dll) Version: (


public class Opc : UspsTrayLabel
Visual Basic (Declaration)
Public Class Opc _
	Inherits UspsTrayLabel
Visual C++
public ref class Opc : public UspsTrayLabel


The OPC code is used for marking retail optical products. The value to encode length is fixed to 10 digits and it must have the following structure:
  • 5 digits for Manufacturer Identification Number assigned by the Optical Product Code Council, Inc.
  • 4 digits Item Identification Number assigned and controlled by the optical manufacturer. The item identification number must be unique to each individual product.
  • 1 digit for checksum which is calculated automatically.

Inheritance Hierarchy

See Also