JPS63266507A - Temperature corrected electronic parts - Google Patents

Abstract

PURPOSE:To execute a highly stable temperature control, and to display an electric characteristic with high accuracy by integrating a refrigerating element for cooling into electronic parts, and providing a temperature correcting circuit which can control the cooling quantity of the refrigerating element. CONSTITUTION:A refrigerating element 2 is integrated into electronic parts 1, and a temperature sensor 3 is attached to the suitable position of the electronic parts. Information detected by this temperature sensor 3 is brought to an information exchange with a conversion value which has been set in advance by a temperature detecting circuit 5 of a temperature correcting circuit 4, and by a control circuit 6, an output circuit 7 is controlled to the refrigerating element 2 and the cooling quantity is adjusted, by which a temperature of the electronic parts 1 is kept stably. In such a way, the electric characteristic of the electronic parts is maintained with high accuracy, and a high speed of the electronic apparatus, and the stability are quickened.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to temperature compensation electronic components.

[Prior art] Component structures related to heat dissipation of conventional electronic components are described in Section 4.5.
As shown in Figure 6, electronic components 14 are brought into contact with metal heat sinks 11 and heat sinks 12, and the heat transferred to the heat sinks and heat sinks through thermal conduction is cooled by natural heat radiation or forced cooling. [Problems to be Solved by the Invention] However, with the above-mentioned conventional technology, natural heat dissipation cannot provide sufficient cooling capacity for electronic components that require high precision (improved characteristics). Although cooling is possible, there is no control function and it is difficult to maintain a constant temperature, and there are problems in that stable electrical characteristics cannot be obtained due to the temperature characteristics of electronic components.

SUMMARY OF THE INVENTION The present invention is intended to solve these problems, and its purpose is to provide a temperature compensation electronic component that can perform highly stable temperature control and exhibit highly accurate electrical characteristics.

[Means for solving problems]

The temperature correction electronic component of the present invention is characterized in that, in the temperature correction electronic section, a cooling refrigeration element is incorporated into the electronic component and a temperature correction circuit capable of controlling the amount of cooling of the refrigeration element is provided.

[Effect]

According to the above configuration of the present invention, a cooling effect occurs in accordance with the amount of heat generated by the electronic component, and therefore the electronic component can maintain a stable temperature, so the electrical characteristics that fluctuate depending on the temperature characteristics of the electronic component can be controlled with high precision. can.

〔Example〕

FIG. 1 is a basic temperature control circuit diagram of the present invention, in which an electronic component 1 includes a refrigeration element 2, and a temperature sensor 3.
is attached to the appropriate position of the electronic component. The information detected by the temperature sensor 3 is converted into a preset conversion value by the temperature detection circuit 5 of the temperature correction circuit 4, and the control circuit 6 controls the output circuit 7 to the refrigeration element 2 to adjust the amount of cooling. This keeps the temperature of the electronic component 1 stable. In this case, although the temperature correction circuit section 4 and the circuits 5, 6, and 7 are separated in FIG. 1 for the sake of explanation, they may be integrated, or they may be independent depending on the configuration. do not have.

Furthermore, another embodiment is illustrated in FIG. 2.3. As seen in the cross-sectional view of Fig. 2, this is an example in which the temperature control circuit described above is incorporated into components such as conventional hybrid ICs and LSIs, and the temperature sensor 3 is installed at an appropriate location either inside or outside the sealing material, and the temperature The correction circuit section 4 is mounted within the sealing material. Although the sealing material 8 is shown in a hollow state in FIG. 2, it may be an embedded type resin sealing, etc. In FIG. It shows the condition.

In this case, the temperature sensor 3 is provided at a suitable location either inside or outside the electronic component 1. Furthermore, as described in the explanation of FIG.
The electronic component built-in type and the electronic component externally attached type shown in FIG. 3 may be a mold.

The results of the example show that conventional electronic components change with the environmental temperature, and that some types typically reach temperatures of several hundred degrees during use;
Since it is possible to control temperatures below C, the level that used to be within 1% even for those with good temperature characteristics has decreased to O~1.
High precision up to the 100FP level can now be obtained.

The electronic components described in the above embodiments include LSI,
Hybrid IC1 output cover warp vise, standard oscillator,
It can be effectively used for electronic components that require high precision even in single items such as standard power supplies, standard oscillation circuit modules, resistors, and capacitors. Regarding refrigeration elements, we also have elements that apply the Peltier effect and refrigeration plates that are miniaturized from general refrigerators (
frozen block) etc.

〔Effect of the invention〕

As described above, according to the temperature correction electronic component of the present invention,
By incorporating a refrigeration element into an electronic component and providing a temperature compensation circuit that can control the amount of cooling of the refrigeration element, the electrical characteristics of the electronic component can be maintained with high precision, promoting high speed and stability of electronic equipment, and thereby improving the electronic performance. The contribution to equipment development and the actual effect are extremely large.

[Brief explanation of drawings]

Fig. 1 is a temperature control circuit chart of a temperature-corrected electronic component using a refrigeration element according to the present invention, Fig. 2 is a cross-sectional view of the temperature control section incorporated in the electronic component, and Fig. 3 is a temperature control circuit chart of the temperature control section installed externally. FIG. Figures 4.5.6 are cross-sectional views of conventional electronic components with a heat dissipation function. (1)...Electronic components (2)...Refrigerating element (3)...Temperature sensor (4)...Temperature correction circuit (5) ...Temperature detection circuit (6) ...Control circuit (7) ...Output circuit (8) ...Sealing material (9) ...・Printed circuit (10)...Circuit board (11)...Radiation plate (12)...Radiation fin (13)...Lead terminal (14)...Electronic component (15)...Sealing More than a stopper

Claims (1)

[Claims] 1. A temperature correction electronic component, characterized in that the electronic component incorporates a cooling refrigeration element and has a temperature correction circuit capable of controlling the amount of cooling of the refrigeration element.