JP2014033207A - Esd保護デバイス - Google Patents
Esd保護デバイス Download PDFInfo
- Publication number
- JP2014033207A JP2014033207A JP2013182825A JP2013182825A JP2014033207A JP 2014033207 A JP2014033207 A JP 2014033207A JP 2013182825 A JP2013182825 A JP 2013182825A JP 2013182825 A JP2013182825 A JP 2013182825A JP 2014033207 A JP2014033207 A JP 2014033207A
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- Japan
- Prior art keywords
- esd protection
- terminal electrode
- protection device
- terminal
- electrodes
- 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.)
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- 239000004065 semiconductor Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 35
- 239000011229 interlayer Substances 0.000 claims description 13
- 230000003071 parasitic effect Effects 0.000 abstract description 12
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
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- 239000002184 metal Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
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- 230000002265 prevention Effects 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- 230000001052 transient effect Effects 0.000 description 1
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Abstract
【解決手段】高周波ライン用のESD保護回路とESD保護回路に導通する第1及び第2の入出力電極とが形成された、平面形状が長方形状の半導体基板20と、第1の入出力電極に接続された第1の端子電極28Aと、第2の入出力電極に接続された第2の端子電極28Bと、を備えた、平面形状が長方形状の再配線層と、を有し、第1及び第2の端子電極28A,28Bは平面形状が長方形状であって、第1及び第2の端子電極の各短辺が再配線層の長辺に対して平行かつ隣接してそれぞれ配置されており、第1及び第2の端子電極28A,28Bの一方側長辺が再配線層の短辺に対して平行かつ隣接してそれぞれ配置されており、かつ、第1及び第2の端子電極28A,28Bの他方側長辺間の距離が第1及び第2の入出力電極の中心間距離よりも大きい。
【選択図】図2B
Description
前記第1及び第2の端子電極は平面形状が長方形状であって、前記第1及び第2の端子電極の各短辺が前記再配線層の長辺に対して平行かつ隣接してそれぞれ配置されており、前記第1及び前記第2の端子電極の一方側長辺が前記再配線層の短辺に対して平行かつ隣接してそれぞれ配置されており、かつ、
前記第1及び第2の端子電極の他方側長辺間の距離が前記第1及び第2の入出力電極の中心間距離よりも大きい構造とする。
第1の実施形態に係るESD保護デバイスについて、各図を参照して説明する。
図8Aは第2の実施形態に係るESD保護デバイス102の主要部の断面図である。図8Bはその実装面側から見た平面図である。図8Aは、図8BにおけるX−Xラインでの断面図である。
図11は第3の実施形態に係るESD保護デバイス103の主要部の断面図である。このESD保護デバイス103においては、端子電極27A,27Bは、デバイスの側面に露出していて、その側面の表面に金属めっき膜による端子電極28A,28Bが形成されている。すなわち、ESD保護デバイスの底面(図11に示す向きでは上方の面)および側面に連続した端子電極28A,28Bが形成されている。
P27…パッド
20…半導体基板
21A,21B,21D…入出力電極
22…無機絶縁層
23A,23B…絶縁接着層
24A,24B…層間配線
25A,25B…面内配線
26…有機絶縁膜
27A,27B,27D…端子電極
28A…信号ライン用端子電極
28B…グランド端子用端子電極
29A,29B,29C,29D…はんだバンプ端子電極
30…再配線層
50…プリント配線板
51A,51B…パッド電極
101〜103…ESD保護デバイス
Claims (6)
- 高周波ライン用のESD保護回路と前記ESD保護回路に導通する第1及び第2の入出力電極とが形成された、平面形状が長方形状の半導体基板と、前記第1の入出力電極に接続された第1の端子電極と、前記第2の入出力電極に接続された第2の端子電極と、を備えた、平面形状が長方形状の再配線層と、を有し、
前記第1及び第2の端子電極は平面形状が長方形状であって、前記第1及び第2の端子電極の各短辺が前記再配線層の長辺に対して平行かつ隣接してそれぞれ配置されており、前記第1及び前記第2の端子電極の一方側長辺が前記再配線層の短辺に対して平行かつ隣接してそれぞれ配置されており、かつ、
前記第1及び第2の端子電極の他方側長辺間の距離が前記第1及び第2の入出力電極の中心間距離よりも大きい、ESD保護デバイス。 - 前記第1の端子電極と前記第2の端子電極との間の最短距離が前記第1及び第2の入出力電極の中心間距離よりも大きい、請求項1に記載のESD保護デバイス。
- 前記再配線層は、内層に形成された第1及び第2の面内配線と、この第1及び第2の面内配線と前記第1及び第2の入出力電極とをそれぞれつなぐ第1及び第2の層間配線とを備え、前記第1の端子電極は前記第1の面内配線と前記第1の端子電極との間をつなぎ、前記第2の端子電極は前記第2の面内配線と前記第2の端子電極との間をつなぐ、請求項1又は2に記載のESD保護デバイス。
- 前記第1及び第2の端子電極の、中心軸に直交する面での断面積は前記入出力電極側より前記端子電極側が大きい、請求項3に記載のESD保護デバイス。
- 前記第1及び第2の端子電極の前記断面積は、前記入出力電極から前記端子電極に向かって連続的又は段階的に大きくなる形状を備える、請求項4に記載のESD保護デバイス。
- 前記半導体基板の第1の側面と、この第1の側面に隣接する第3・第4の側面とで構成される二つの角部の近傍の再配線層上に、第1の信号ラインに接続される第1の信号ライン端子電極、及び第2の信号ラインに接続される第2の信号ライン端子電極をそれぞれ備え、
前記半導体基板の前記第1の側面に対向する第2の側面と、この第2の側面に隣接する第3・第4の側面とで構成される二つの角部の近傍の再配線層上に、電源ラインに接続される電源ライン端子電極、及びグランドラインに接続されるグランドライン端子電極をそれぞれ備え、
前記ESD保護回路が、第1の端子電極と第3の端子電極との間、第1の端子電極と第4の端子電極との間、第2の端子電極と第3の端子電極との間、及び第2の端子電極と第4の端子電極との間にそれぞれ接続されている、請求項1乃至5の何れかに記載のESD保護デバイス。
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US9082764B2 (en) * | 2012-03-05 | 2015-07-14 | Corning Incorporated | Three-dimensional integrated circuit which incorporates a glass interposer and method for fabricating the same |
JP6211772B2 (ja) * | 2013-02-14 | 2017-10-11 | ローム株式会社 | Lsiのesd保護回路および半導体装置 |
US8907470B2 (en) | 2013-02-21 | 2014-12-09 | International Business Machines Corporation | Millimeter wave wafer level chip scale packaging (WLCSP) device and related method |
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CN203536403U (zh) | 2014-04-09 |
JPWO2012023394A1 (ja) | 2013-10-28 |
US9202791B2 (en) | 2015-12-01 |
JP5532137B2 (ja) | 2014-06-25 |
WO2012023394A1 (ja) | 2012-02-23 |
US20150061146A1 (en) | 2015-03-05 |
US8912660B2 (en) | 2014-12-16 |
JP5617980B2 (ja) | 2014-11-05 |
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