JP2008135713A5 - - Google Patents
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- JP2008135713A5 JP2008135713A5 JP2007260495A JP2007260495A JP2008135713A5 JP 2008135713 A5 JP2008135713 A5 JP 2008135713A5 JP 2007260495 A JP2007260495 A JP 2007260495A JP 2007260495 A JP2007260495 A JP 2007260495A JP 2008135713 A5 JP2008135713 A5 JP 2008135713A5
- Authority
- JP
- Japan
- Prior art keywords
- soft magnetic
- kgf
- pressure
- linear pressure
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Claims (4)
（Ａ）少なくとも扁平な軟磁性粉末と、グリシジル基を有するアクリルゴムと、エポキ
シ樹脂と、エポキシ樹脂用潜在性硬化剤と、溶剤とを混合してなる軟磁性組成物を、剥離
基材上に塗布し、軟磁性組成物の硬化反応が実質的に生じない温度Ｔ１で乾燥し、剥離基
材を取り除いて硬化性軟磁性シートを取得する工程；
（Ｂ）該硬化性軟磁性シートを２以上用意し、それらを積層して積層物を取得する工程
；
（Ｃ）得られた積層物を、硬化反応が実質的に生じない温度Ｔ２において、線圧を印加
するラミネーターにて線圧力Ｐ１、線圧力Ｐ２及び線圧力Ｐ３（但し、Ｐ１＜Ｐ２＜Ｐ３
）で順次圧縮する工程； 及び
（Ｄ）続いて硬化反応が生ずる温度Ｔ３において、圧縮された積層物を、面圧を印加す
るプレス機で圧縮して積層型軟磁性シートを得る工程
を有することを特徴とする製造方法。 A method for producing a laminated soft magnetic sheet, comprising the following steps (A) to (D):
(A) A soft magnetic composition obtained by mixing at least a flat soft magnetic powder, an acrylic rubber having a glycidyl group, an epoxy resin, a latent curing agent for epoxy resin, and a solvent is formed on a release substrate. Applying, drying at a temperature T1 at which the curing reaction of the soft magnetic composition does not substantially occur, removing the release substrate, and obtaining a curable soft magnetic sheet;
(B) preparing two or more curable soft magnetic sheets and laminating them to obtain a laminate;
(C) At the temperature T2 at which the curing reaction does not substantially occur, the obtained laminate is subjected to linear pressure P1, linear pressure P2, and linear pressure P3 (where P1 <P2 <P3) by a laminator that applies linear pressure.
And (D) a step of obtaining a laminated soft magnetic sheet by compressing the compressed laminate with a press machine that applies a surface pressure at a temperature T3 at which a curing reaction subsequently occurs. The manufacturing method characterized by this.
０〜５０ｋｇｆ／ｃｍであり、面圧が１０〜６０ｋｇｆ／ｃｍ２である請求項１記載の製
造方法。 P1 is 2 to 10 kgf / cm, P2 is 10 to 20 kgf / cm, and P3 is 2
The production method according to claim 1, wherein the pressure is 0 to 50 kgf / cm and the surface pressure is 10 to 60 kgf / cm2.
ある請求項１または２記載の製造方法。 The manufacturing method according to claim 1 or 2, wherein T1 is 50 to 90 ° C, T2 is 70 to 130 ° C, and T3 is 140 to 200 ° C.
〜３のいずれかに記載の製造方法。 The line speed of the laminator in the step (C) is 0.1 to 5 m / min.
The manufacturing method in any one of -3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007260495A JP4775593B2 (en) | 2006-10-31 | 2007-10-04 | Method for producing laminated soft magnetic sheet |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006295289 | 2006-10-31 | ||
| JP2006295289 | 2006-10-31 | ||
| JP2007260495A JP4775593B2 (en) | 2006-10-31 | 2007-10-04 | Method for producing laminated soft magnetic sheet |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008135713A JP2008135713A (en) | 2008-06-12 |
| JP2008135713A5 true JP2008135713A5 (en) | 2010-06-24 |
| JP4775593B2 JP4775593B2 (en) | 2011-09-21 |
Family
ID=39560305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007260495A Active JP4775593B2 (en) | 2006-10-31 | 2007-10-04 | Method for producing laminated soft magnetic sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4775593B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5926011B2 (en) * | 2011-07-19 | 2016-05-25 | 太陽誘電株式会社 | Magnetic material and coil component using the same |
| JP6757117B2 (en) * | 2014-10-02 | 2020-09-16 | 山陽特殊製鋼株式会社 | Soft magnetic flat powder and its manufacturing method |
| JP6864498B2 (en) * | 2017-02-28 | 2021-04-28 | 山陽特殊製鋼株式会社 | A soft magnetic flat powder having high magnetic permeability and high weather resistance and a soft magnetic resin composition containing the same. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62176823A (en) * | 1986-01-30 | 1987-08-03 | Mitsui Mining & Smelting Co Ltd | Method of molding laminated sheet for thermoforming |
| US5869412A (en) * | 1991-08-22 | 1999-02-09 | Minnesota Mining & Manufacturing Co. | Metal fibermat/polymer composite |
| JP2000101284A (en) * | 1998-09-24 | 2000-04-07 | Sony Corp | Electromagnetic wave absorbing body and manufacture thereof |
| JP2003191320A (en) * | 2001-12-25 | 2003-07-08 | Sumitomo Chem Co Ltd | Easy-to-peel molded body |
| JP2003229694A (en) * | 2002-02-05 | 2003-08-15 | Sony Corp | Electromagnetic wave absorbent and its manufacturing method |
| JP2004140322A (en) * | 2002-08-20 | 2004-05-13 | Alps Electric Co Ltd | Electric wave absorber and manufacturing method of the same |
| JP2006073949A (en) * | 2004-09-06 | 2006-03-16 | Showa Denko Kk | Electromagnetic wave absorber |
| JP2006128649A (en) * | 2004-09-30 | 2006-05-18 | Nitta Ind Corp | Electromagnetic compatibility suppressor and method of manufacturing the same |
| US7561114B2 (en) * | 2004-12-03 | 2009-07-14 | Nitta Corporation | Electromagnetic interference suppressor, antenna device and electronic information transmitting apparatus |
| JP2006202266A (en) * | 2004-12-20 | 2006-08-03 | Toppan Forms Co Ltd | Contactless data receiver/transmitter |
-
2007
- 2007-10-04 JP JP2007260495A patent/JP4775593B2/en active Active
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