Want TDK 48/24/48B Firmware

If you have a copy of the TDK 48/24/48B firmware in binary file format please sent it to me, my email address is lxc@email.com, or if you know where there is a copy please tell me.
I failed to backup the TDK firmware before flashing it to the Lite-On LTR-52246S and I want it just incase I need it.
Thank you.

Using the exe to bin file converter I found on http://liteon.notrix.net/, I was finally able to get the binary file from the TDK executable firmware.