TWI327356B - - Google Patents
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- Publication number
- TWI327356B TWI327356B TW095149120A TW95149120A TWI327356B TW I327356 B TWI327356 B TW I327356B TW 095149120 A TW095149120 A TW 095149120A TW 95149120 A TW95149120 A TW 95149120A TW I327356 B TWI327356 B TW I327356B
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- Prior art keywords
- substrate
- mems
- disposed
- microphone
- wafer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/1015—Shape
- H01L2924/10155—Shape being other than a cuboid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/1515—Shape
- H01L2924/15151—Shape the die mounting substrate comprising an aperture, e.g. for underfilling, outgassing, window type wire connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16151—Cap comprising an aperture, e.g. for pressure control, encapsulation
Landscapes
- Micromachines (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
1327356 九、發明說明: 【發明所屬之技術領域】 本發明係屬於一種晶片封裝結構,尤指—種體積小而 節省空間的微機電麥克風封裝結構。 【先前技術】 麥克風係現代人常用的視聽設備之一,且應用範圍甚 廣,在生醫領域上可應用於助聽器及電子耳,在電腦、通
訊領域上則可應用於手機、數位相機、免持聽筒、筆記型 電腦等等。 隨著電子產業的蓬勃發展以及製程及封裝技術的進 步,麥克風產品的設計上更朝向多功能化的需求發展,為 求達到輕薄短小、省電、低成本等訴求’目前已能利用半 導體製程來做出晶片型麥克風,亦稱作微機電 克風。 請參照第五圖,目前的微機電麥克風係主要在一基板 (90)上設置有一電路及一微機電晶片(91),微機 電晶片(9 1 )係以打線方式與基板(9 〇 )上的電路電 連接,在基板(90)上另設置有一覆蓋微機電晶片(9 1)的殼蓋(93)。微機電晶片(91)與基板(9〇) 之間的空間形成氣室(94),做為聲音的共振腔。聲音 由殻蓋(93)的孔進入,肖晶片上的薄膜產生振動,振 動的訊號轉為晶片上的電流/電壓。 然而,在量產麥克風時,需逐一對各微機電晶片(9 1 )打線,無法一次同時對多個微機電晶片(9 1 )進行 4 1327356 打線,因此,麥克風的量產速度大為降低,進而提高了麥 克風的製造成本。 【發明内容】 本發明人係根據現有微機電麥克風在量產時無法一次 對多個微機電晶片打線的缺點,改良不足與缺失,進而發 明出一種微機電麥克風封裝結構。 本發明係主要提供一種微機電麥克風,其可適用於流 焊製程以便一次大量流焊多個微機電晶片到基板上。 為達上述目的,係令前述.微機電麥克風至少包含有: -基板,其上設置有一線路,在基板上貫穿形成有一 通孔; 微機電片,係設置在基板上且相對應通孔,微機 電晶片底部與基板線路之間植佈有複數錫球以連接微機電 ^片與基板線路,該等錫球可透過流焊技術將微機電晶片 焊接在基板而與其上的線路連接; 一保護層,係設置在基板上且包覆該基板與其上的微 機電晶片。 藉由上述技術手段,由於微機電晶片透過錫球設置在 故在量產麥克風時,可一次令複數微機電晶片與 基板通過錫爐流焊作業來焊接微機電晶片與基板,因此, 可有效縮短整批麥克風的製造時間,降低麥克風的製造成 本0 月J述微機電晶片與保護層之間設置有一密封層。 前述密封層係以矽製造。 5 1327356 前述保護層係以銅、鎳或其合金製造。 月1J述保δ蒦層係以錢鍵方式設置在微機電晶片命_其_板 上。 微機電晶片與基板之間設置有固定膠。 【實施方式】
請參照第一圖,本發明微機電麥克風封裝結構包含 有:一基板(10)、一微機電晶片(2〇)、複數錫球 (30)、一密封層(40)、一固定膠(5〇)及一保 護層(6 0 )。 線路(圖中未示),在基 (11)° 該基板(1 〇)上設置有一 板(1 0 )上貫穿形成有一通孔 該微機電晶片(2 0 )係設置在基板(i 〇 )上且相 對應通孔(1 1 )。 該等錫球(3 0 )係植佈在微機電晶片(2 〇 )底部 與基板(1 0 )線路之間,以便連接微機電晶#( 2 〇 ) 與基板(1 G )上的線路,該等錫球可透過流焊技術將微
機電晶片(20)焊接力其把〈ιη、 L 坏接在基板(1 〇 )上而與其上 連接。 吟 該松封層(4 0 )係設置在微機電晶片(2 〇 )上。 該固定膠(5 〇 )係設置在微機電晶片(2 〇 ) 周緣與基板(1 〇 )之間以進—步固定微機電晶片(2 〇-)。 “保-隻層(6 〇 )係以銅、鎳或其合金製造以 方式設置在基板(10)上,且包覆該基板(10)及: 上的微機電晶片(2 〇 )。 ” 6 ^56 凊參照第二到第四圖,以下為麥克風的封裝步驟: 首先如第二圖所示,係在複數基板(工〇 )上分別設 有一微機電晶片(20),在微機電晶片上設 置有Φ封層(4 〇 ),並在各對應微機電晶片 基柘〆1 ^ 、乙υ )與 艰(1〇)之間設置有複數錫球(3〇),接著令 =微機電晶片(2〇)與基板(10)同時通過鲜锡爐, 7錫球(3 〇 )熔化後固接相對應的微機電晶片 與基板(10)。 〇) 接著如第三圖所示,係在相對應的基板(i 〇 )與微 機電晶片(2 0 )之間設置有一固定膠(5 〇 )以強化基 板(10)與微機電晶片(2〇)間的固接強度。 最後在微機電晶片與基板上以濺鍍方式設置—保護層 (60)(如第四圖所示)。 藉由上述技術手段,由於微機電晶片(20)透過錫 球(3 0)設置在基板(1 〇)上,故在量產麥克風時, 可一次令複數微機電晶片(20)與基板(1〇)通過錫 爐流焊、作業來焊接所有的微機電晶片(2〇)與基板 0 )’因此,可有效縮短整批麥克風的製造時間,進而降 低麥克風的製造成本。 【圖式簡單說明】 第一圖係本發明正面剖視圖。 第二圖係本發明製造步驟示意圖。 第三圖係接續第二圖的製造步驟示意圖。 第四圖係接續第三圖的製造步驟示意圖。 1327356 第五圖係傳統麥克風的正面剖視圖。 【主要元件符號說明】 (1 1 )通孔 (3 0 )錫球 (5 0 )固定膠 (9 0 )基板 (9 3 )殼蓋 (9 5 )通孔 (10)基板 (2 0 )微機電晶片 (4 0 )密封層 (6 0 )保護層 (9 1 )微機電晶片 (9 4 )氣室
Claims (1)
1327356 十、申請專利範圍: 1,一種微機電麥克風,其包含有: 一基板’其上設置有一線路,該基板上貫穿形成有— 通孔; 一微機電晶片’係設置在基板上且相對應通孔,微機 電晶片底部與基板線路之間植佈有複數錫球,以連接微機 電晶片與基板線路,該等錫球係可透過流焊技術將微機電 晶片焊接在基板電路上;及 一保護層’係設置在基板上,以包覆該基板及其上的 微機電晶片。 2 ·如申請專利範圍第1項所述之微機電麥克風,其 中該微機電晶片與保護層之間設置有一密封層。 3 ·如申請專利範圍第2項所述之微機電麥克風,其 中該密封層係以矽製造。 4 ·如申請專利範圍第1到3項中任一項所述之微機 電麥克風,其中該保護層係以銅或鎳或其合金製造。 5 .如申請專利範圍第4項所述之微機電麥克風,其 中該保5蒦層係以減鍛方式設置在微機電晶片與基板上。 十一、圖式: 如次頁 9
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095149120A TW200828521A (en) | 2006-12-27 | 2006-12-27 | Package structure of micro electro-mechanical microphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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TW095149120A TW200828521A (en) | 2006-12-27 | 2006-12-27 | Package structure of micro electro-mechanical microphone |
Publications (2)
Publication Number | Publication Date |
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TW200828521A TW200828521A (en) | 2008-07-01 |
TWI327356B true TWI327356B (zh) | 2010-07-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW095149120A TW200828521A (en) | 2006-12-27 | 2006-12-27 | Package structure of micro electro-mechanical microphone |
Country Status (1)
Country | Link |
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TW (1) | TW200828521A (zh) |
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2006
- 2006-12-27 TW TW095149120A patent/TW200828521A/zh not_active IP Right Cessation
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TW200828521A (en) | 2008-07-01 |
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MM4A | Annulment or lapse of patent due to non-payment of fees |