Patent ID: 8491209

Claim:
A keyboard apparatus comprising: a plurality of keys, wherein each key has a key cap; a switching section that detects depression of each of the keys; a top cover that is integrally formed with a partitioning portion separating adjacent keys from each other; a frame member that includes a plurality of key receiving portions which, in a case where the frame member is attached to the top cover, support the key caps of the keys in a manner such that an entire outer perimeter of the key cap of each of the keys is surrounded by the partitioning portion; a first coupling section that affixes the top cover to the frame member by welding; and a second coupling section that affixes a first surface portion of the keyboard apparatus including the switching section, to a second surface portion of the keyboard apparatus including the top cover and the frame member with which the top cover is coupled by the first coupling section, wherein the second coupling section affixes the first surface portion to the second surface portion by welding.