PT17 「〜について検討した」のときの時制

このようにして作製される本発明の実施例の熱アシスト磁気ヘッド１の、プラズモン発生部１６の材料について検討した。

(NG) Materials of a plasmon generator 16 of a thermally-assisted magnetic head 1, which is manufactured as described above, of an example of the present invention were discussed.

(OK) Materials for a plasmon generator 16 of a thermally-assisted magnetic head 1, which is manufactured as described above, of an example of the present invention have been discussed.