At that time , Rambus accused Infineon of patent infringement and Infineon countersued Rambus for breach of contract and fraud .
The Infineon case began in August 2000 , when Rambus accused Infineon of patent infringement and Infineon counter-sued Rambus for breach of contract and fraud .
probability distribution for a random variable=describes how probabilities are distributed over the values of the random variable with a table, graph, or formula.