Sliding component and method of manufacturing sliding member

A sliding component comprising a pair of sliding members, at least one of the sliding members being provided with:

• recessed portions formed in a sliding surface of the one of the sliding members, each of the recessed portions having a flat surface;
• and
• hollow portions formed inside the one of the sliding members so as to be disposed at a position deeper than the recessed portions, the hollow portions having flat surfaces and communicating with the recessed portions.

A method of a sliding member provided with a group of recessed portions including a plurality of recessed portions formed in a sliding surface of the sliding member, and having a recessed shape in a cross-sectional view and a plurality of hollow portions formed inside the sliding member, the hollow portions being disposed so as to generate at least part of a new group of recessed portions until the sliding member is worn by a thickness of deepest one of the recessed portions, the method comprising steps of:

• laminating layers made of base material and each having holes;
• and
• coupling the layers together.