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Suspension board with circuit and producing method thereof

專(zhuān)利號(hào)
US10028378B2
公開(kāi)日期
2018-07-17
申請(qǐng)人
NITTO DENKO CORPORATION（JP Osaka）
發(fā)明人
Hiroyuki Tanabe; Naohiro Terada; Yuu Sugimoto; Daisuke Yamauchi
IPC分類(lèi)
H05K1/05; H05K1/11; H05K1/18; G11B5/48; H05K3/40; H05K3/44; H05K1/02; H05K1/03
技術(shù)領(lǐng)域
insulating,layer,terminal,base,side,region,board,portion,in,pedestal
地域： Osaka

摘要

A suspension board with circuit includes a metal supporting board, a base insulating layer disposed at one side in a thickness direction of the metal supporting board, and a conductor layer disposed at one side in the thickness direction of the base insulating layer and including a connecting terminal electrically connected to a slider. The base insulating layer has a terminal region, when projected in the thickness direction, overlapped with at least the connecting terminal and a circumferential region not overlapped with the terminal region and around the terminal region, and the thickness of the terminal region is thicker than that of the circumferential region.

說(shuō)明書(shū)

According to the suspension board with circuit 1, as shown in FIGS. 7A and 7B, the terminal region 62 includes the first terminal region-insulating layer 28 made of the first base insulating layer 26 and the second terminal region-insulating layer 54 made of the second base insulating layer 27, while the circumferential region 63 includes the first circumferential region-insulating layer 95 made of the first base insulating layer 26.

Thus, compared to a case where the terminal region 62 is formed of one layer of the base insulating layer 9, by forming the thickness of the terminal region 62 in two layers, that is, the first terminal region-insulating layer 28 and the second terminal region-insulating layer 54, the thickness of the terminal region 62 can be easily formed thicker than that of the circumferential region 63.

As a result, the head-side terminals 58 can be brought closer to the head terminals 65 of the magnetic head 3 of the slider 4, so that the head-side terminals 58 can be more surely connected to the head terminals 65.

權(quán)利要求

1
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