Stefan Wallstab

Integrated security circuit

Semiconductor device and production process

Preventing the unwanted external detection of operations in digital integrated circuits

Integrated protective circuit

Chip card circuit with monitored access to a test mode

Security component, e.g. a chip card, for processing, encoding and decoding of data and carrying out of authentication processes for use with a main computer to prevent manipulation of software during updating and registering

Method for entering personal data onto personal data supports, e.g. for chip-card or mobile phone devices, where a data support that can be personalized, is produced onto which personal data and or programs are entered by a user

Circuit configuration with a scan path that can be deactivated

A semiconductor device and a method of manufacturing the same

Chip card with a flexible chip