Each Satochip hardware wallet is delivered non-initialized.
During the wallet initialization with the Electrum Satochip client, the seed is shown on the screen and must be confirmed by the user.
THIS IS THE ONLY TIME the seed is visible to the user and the only opportunity to do a backup of the seed!
After that, it is not possible anymore to export the seed or any private key from the Satochip.
The seed and optionally the PIN code are the two information the user need to recover the Satochip hardware wallet on another Satochip card.