Patent ID: 6052284
Filing Date: 2000-04-18
Classification: H01L

Abstract:
An electronic-devices-mounted, printed circuit board comprising:a printed circuit board including an array of electronic devices mounted on at least one side thereof;a sealed case covering said array of electronic devices, having its marginal edge held in liquidtight contact with said one side of said printed circuit board all around said array of electronic devices and including an inlet port injecting a coolant into an interior of said sealed case from the outside and an outlet port discharging said coolant from said sealed case to the outside,wherein the interior of said sealed case forms a cooling chamber in which said electronic devices are immersed in said coolant injected through said inlet port and said coolant is distributed through said electronic devices and discharged to the outside through said outlet port;another array of electronic devices mounted on another side of said printed circuit board;a second sealed case mounted on a surface of said another side of said printed circuit board in a liquidtight manner for sealing therein said electronic devices;a port bored through said printed circuit board near said inlet port to inject therethrough said coolant into said second sealed case; andanother port bored through said printed circuit board near said outlet port to discharge therethrough said coolant from said second sealed case.