Inductor and manufacturing method thereof
A manufacturing method and inductor technology, which is applied in the direction of inductor/transformer/magnet manufacturing, inductors, fixed inductors, etc., can solve the problems of not being able to meet the power supply requirements of servers, increase inductance loss, and affect inductor efficiency, so as to achieve low loss and reduce The effect of high DC resistance and magnetic permeability
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Embodiment 1
[0084] 1) Stamping or casting metal materials such as figure 1 The shape shown, forms the conductor 120, the length of the thicker part in the middle of the conductor 120 is 10.0mm;
[0085] 2) Select a magnetic powder with a certain particle size ratio, and add a passivating agent for passivation;
[0086] 3) Add a certain proportion (0.5-2.5% by mass) of epoxy resin or silane resin and other glues in the passivated powder;
[0087] 4) After adding glue, the powder is dried, baked, crushed and sieved to form a fluid powder with a certain particle size;
[0088] 5) Encapsulate the conductor 120 designed in 1) and the powder made in 4) (that is, perform cold pressing and / or hot pressing) to obtain a semi-finished inductor;
[0089] 6) Sintering and annealing the semi-finished inductor obtained in 5) according to the temperature shown in Table 1 below:
[0090] Table 1
[0091]
[0092] In the table, "position" refers to different positions in the sintering equipment, the...
Embodiment 2
[0106] The product in the embodiment of the present invention 2 adopts such as Figure 4 Shown product, repeat step 2) to 10) among the embodiment 1;
[0107] Comparing the characteristics of the product in Example 2 of the present invention with Comparative Example 1 and Comparative Example 2, it can be verified that the product in Example 2 of the present invention has better DCR characteristics.
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