Physical quantity detection apparatus and electronic apparatus

An electronic apparatus comprising:

• a circuit substrate;
• an integrally molded body in which the circuit substrate is insert molded, the integrally molded body including
• a housing portion and a reinforcing section,
• a first sub-passage inlet and a second sub-passage inlet formed on a first side of the integrally molded body,
• a first sub-passage outlet and a second sub-passage outlet formed on a second side of the integrally molded body,
• housing resins are formed on both the first side and the second side of the integrally molded body;
• and
• a fluid path sucking gas from a first end of the electronic apparatus to a second end of the electronic apparatus;
• wherein the housing portion separates the circuit substrate from the reinforcing section, and
• wherein the second side is opposite the first side.