Patent ID: 8788980
Filing Date: 2014-07-22
Classification: G06F

Abstract:
1. A method for checking a die seal ring on a layout, comprising executing, by a computer, steps of: receiving a digital database of a layout corresponding to at least a device with a text information corresponding to the layout and receiving a tape-out information corresponding to the layout; after receiving the tape-out information corresponding to the layout, performing a checking process according to the digital database of the layout and the tape-out information; and recording a result of the checking process, wherein the result of the checking process comprises a double-die-seal-ring check result, a missing-die-seal-ring check result or an OK die-seal-ring check result; after the step of performing the checking process, further comprising: when the result of the checking process is the double-die-seal-ring check result or the missing-die-seal-ring check result, issuing an alarm indicating the result of the checking process.