Apple has filed an application with the title Nitriding Stainless Steel for Consumer Electronic Products. The patent describes Apple’s plan to make more durable and scratch resistant iPhone in future with stainless steel surface by layering nitrides on top of the surface.
According to source the Apple’s patent stated:
“In addition to providing a durable, hard surface that is both scratch and impact resistant, the nitride layer allows for the natural surface color and texture of the underlying stainless steel to remain visible to the user.
“It is this natural surface color and texture of the stainless steel that adds to the aesthetically pleasing appearance of the consumer electronic product, thereby enhancing the user’s overall experience.”
Via
