After accepting the plea and a previously arranged deal with prosecutors on Wednesday, U.S. District Judge Phyllis J. Hamilton ordered Samsung Electronics Co. Ltd. and its U.S. subsidiary, Samsung Semiconductor Inc., to pay $300-million (U.S.) — the second-largest fine in a criminal antitrust case in the United States...

Earlier this year, Seoul-based Hynix Semiconductor Inc. agreed to pay a $185-million fine; rival Infineon Technologies AG of Germany agreed to pay $160-million last year. A fourth chip maker, Micron Technology Inc. of Boise, Idaho, has been co-operating with prosecutors and was not expected to face charges.