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MLCC

         ♦ MLCC (Multi Layer Ceramic Capacitor) :


         ♦ classification
         - C: NPO, COG : ε ~ ≤30:
         - B: X7R: ε ~ 3,000 : -55 ~125oC: ±15%
         - F: Y5V: ε ~ 12,000: -25 ~85oC: -20 ~ + 80%

         ♦ electrode: from Ag-Pd to Ni (sintering in reducing atmosphere)

         ♦ about 250 C and 15 L components / mobile phone
         ♦capacitance range : current: pF ~ 1µF, near future: pF ~ 50µF
         ♦ size: current: 1005, near future: 0603 - 0402




Advanced Electronic Ceramics I (2004)




                                    MLCC의 분류

                                                         용량         전압(V)
                                                         1pF           6
                                                           l          10
                                                         10pF         16
                                                           l          25
                                                        100pF         50
                                                           l          100
                             Dimension
         EIA Code                                        1nF          200
          Code                                             l          250
                      L     W     T (Max)    BW
                                                         10nF         300
          0201      0.60   0.30    0.30     0.15
          0603                                             l          500
          0402      1.00   0.50    0.50     0.20
          1005                                          100nF         630
                                                           l         1,000
          1608
          0603      1.60   0.80    0.80     0.30
                                                         1uF         1,500
          0805      2.00   1.25    1.25     0.50
          2012                                             l         2,000
          1206      3.20   1.60    1.60     0.50
          3216                                           10uF        2,500
                                                           l         3,150
          1210      3.20   2.50    2.50     0.60
          3225
                                                        100uF        4,000
          1812      4.50   3.20    2.50     0.80
          4532                                                       5,000
          2220      5.70   5.00    2.50     1.00
          5750                                                      10,000




Advanced Electronic Ceramics I (2004)
MLCC의 분류
      Class I                                               Class II
      온도 범위 -5 5 ~ +1 2 5 C
      온도 계수 ( ppm/C) ;유효숫자*승수 공차 ( ppm/C)                             온도 범위                  용량 변화율
      유효숫자 기호        승수      기호    값      기호                저온( C) 기호 고온( C) 기호             값( %)     기호
        0 .0  C       -1      0   +-3 0    G                 +1 0   Z    +4 5  2            +-1 .0     A
        1 .0  M      -1 0     1   +-6 0    H                 -3 0   Y    +6 5  4            +-1 .5     B
        1 .5  P     -1 0 0    2  +-1 2 0   J                 -5 5   X    +8 5  5            +-2 .2     C
        2 .2  R    -1 0 0 0   3  +-2 5 0   K                            +1 0 5 6            +-3 .3     D
        3 .3  S   -1 0 0 0 0  4  +-5 0 0   L                            +1 2 5 7            +-4 .7     E
        4 .7  T       +1      5 +-1 0 0 0  M                            +1 5 0 8            +-7 .5     F
        7 .5  U      +1 0     6 +-2 5 0 0  N                                               +-1 0 .0    P
                    +1 0 0    7                                                            +-1 5 .0    R
                   +1 0 0 0   8                                                            +-2 2 .0    S
                  +1 0 0 0 0  9                                                           +2 2 , -3 3  T
                                                                                          +2 2 , -5 6  U
         COG (NPO)                                                                        +2 2 , -8 2  V

                                                               F
                                                               B
     Class I                                                 Class II
     - Small loss, high IR, high stability                   - high dielectric constant
     - Linear and moderate TC between +100and -1500ppm/oC    - temperature dependence of the capacitance is large


Advanced Electronic Ceramics I (2004)




                                           MLCC: X7R




                                                    1. The most popular intermediate
                                                       dielectric-constant materials.
                                                    2. Increasingly important as the
                                                       improvement of the integration
                                                       technology enables the high capacitance
                                                       with lower temperature coefficient
                                                       (possibility to replace the Ta capacitor)
                                                    ε ~ 3,000 : -55 ~125oC: ±15%

           From http://www.sem.samsung.co.kr/product/ca/mlcc/information.pdf
Advanced Electronic Ceramics I (2004)
MLCC: Y5V
       High dielectric constant with high temperature coefficient
                      SrTiO3
                      shifter




                                CaCO3
                                depressor




           From http://www.sem.samsung.co.kr/product/ca/mlcc/information.pdf
Advanced Electronic Ceramics I (2004)




             MLCC: Technical Trends: 1. High Capacitance




                                http://www.sem.samsung.co.kr
Advanced Electronic Ceramics I (2004)
MLCC: Technical Trends: 2. Miniaturization




                              http://www.sem.samsung.co.kr
Advanced Electronic Ceramics I (2004)




       MLCC: Technical Trends: 3. Base-Metal Technology




                              http://www.sem.samsung.co.kr
Advanced Electronic Ceramics I (2004)
Multi Layer Ceramic Capacitor

                                         C = nε0εrA/t

                                         C: Capacitance
                                         n: number of layer
                                         ε0 : permittivity in vacuum
                                         εr : dielectric constant
                                         A: area
                                         t: thickness

                                         For high C in small volume
                                         n↑, t ↓ (1005→ 0603 → 0402)
                                         Ni electrode for cost reduction



Advanced Electronic Ceramics I (2004)




                                        전자신문
Advanced Electronic Ceramics I (2004)
삼성전기(대표 강호문)는 지난달부터 0603 크기의
  적층세라믹콘덴서(MLCC)를 월 2000만개씩 양산, 기존 1608
  크기의 MLCC보다 공급단가가 최소 100배 이상 비싼 고수익
  부품사업 확대에 본격 나섰다. 특히 1005와 0603형 크기의 극소형
  MLCC 생산비중을 현재 15%선에서 연말까지 30%대로 높일
  계획이다.
   업계 관계자들은 “범용 부품의 경우 가격경쟁이 치열해
  수익성이 떨어지는 반면, 고부가 제품들은 매출 및 수익성
  창출효과가 크다”면서 “수동부품업체들이 범용 제품 생산기지를
  중국 및 동남아로 이전하는 대신 국내 공장은 고부가 제품 위주로
  빠르게 생산구조를 재편하는 추세”라고 강조했다.

  전자신문 2002년 9월 5일자


Advanced Electronic Ceramics I (2004)




                         Multi Layer Ceramic Capacitor
     Powder preparation technique
     1. Solid State Reaction (past)
     2. Hydrothermal (current)
     3. Coprecipitation (current)




     Starting particle size : < 0.5 µm
     - particle size↓ → surface area ↑ → additive content↑
       → difficult to increase solid loading
       → advanced dispersion technique is required
Advanced Electronic Ceramics I (2004)

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Aem Lect18

  • 1. MLCC ♦ MLCC (Multi Layer Ceramic Capacitor) : ♦ classification - C: NPO, COG : ε ~ ≤30: - B: X7R: ε ~ 3,000 : -55 ~125oC: ±15% - F: Y5V: ε ~ 12,000: -25 ~85oC: -20 ~ + 80% ♦ electrode: from Ag-Pd to Ni (sintering in reducing atmosphere) ♦ about 250 C and 15 L components / mobile phone ♦capacitance range : current: pF ~ 1µF, near future: pF ~ 50µF ♦ size: current: 1005, near future: 0603 - 0402 Advanced Electronic Ceramics I (2004) MLCC의 분류 용량 전압(V) 1pF 6 l 10 10pF 16 l 25 100pF 50 l 100 Dimension EIA Code 1nF 200 Code l 250 L W T (Max) BW 10nF 300 0201 0.60 0.30 0.30 0.15 0603 l 500 0402 1.00 0.50 0.50 0.20 1005 100nF 630 l 1,000 1608 0603 1.60 0.80 0.80 0.30 1uF 1,500 0805 2.00 1.25 1.25 0.50 2012 l 2,000 1206 3.20 1.60 1.60 0.50 3216 10uF 2,500 l 3,150 1210 3.20 2.50 2.50 0.60 3225 100uF 4,000 1812 4.50 3.20 2.50 0.80 4532 5,000 2220 5.70 5.00 2.50 1.00 5750 10,000 Advanced Electronic Ceramics I (2004)
  • 2. MLCC의 분류 Class I Class II 온도 범위 -5 5 ~ +1 2 5 C 온도 계수 ( ppm/C) ;유효숫자*승수 공차 ( ppm/C) 온도 범위 용량 변화율 유효숫자 기호 승수 기호 값 기호 저온( C) 기호 고온( C) 기호 값( %) 기호 0 .0 C -1 0 +-3 0 G +1 0 Z +4 5 2 +-1 .0 A 1 .0 M -1 0 1 +-6 0 H -3 0 Y +6 5 4 +-1 .5 B 1 .5 P -1 0 0 2 +-1 2 0 J -5 5 X +8 5 5 +-2 .2 C 2 .2 R -1 0 0 0 3 +-2 5 0 K +1 0 5 6 +-3 .3 D 3 .3 S -1 0 0 0 0 4 +-5 0 0 L +1 2 5 7 +-4 .7 E 4 .7 T +1 5 +-1 0 0 0 M +1 5 0 8 +-7 .5 F 7 .5 U +1 0 6 +-2 5 0 0 N +-1 0 .0 P +1 0 0 7 +-1 5 .0 R +1 0 0 0 8 +-2 2 .0 S +1 0 0 0 0 9 +2 2 , -3 3 T +2 2 , -5 6 U COG (NPO) +2 2 , -8 2 V F B Class I Class II - Small loss, high IR, high stability - high dielectric constant - Linear and moderate TC between +100and -1500ppm/oC - temperature dependence of the capacitance is large Advanced Electronic Ceramics I (2004) MLCC: X7R 1. The most popular intermediate dielectric-constant materials. 2. Increasingly important as the improvement of the integration technology enables the high capacitance with lower temperature coefficient (possibility to replace the Ta capacitor) ε ~ 3,000 : -55 ~125oC: ±15% From http://www.sem.samsung.co.kr/product/ca/mlcc/information.pdf Advanced Electronic Ceramics I (2004)
  • 3. MLCC: Y5V High dielectric constant with high temperature coefficient SrTiO3 shifter CaCO3 depressor From http://www.sem.samsung.co.kr/product/ca/mlcc/information.pdf Advanced Electronic Ceramics I (2004) MLCC: Technical Trends: 1. High Capacitance http://www.sem.samsung.co.kr Advanced Electronic Ceramics I (2004)
  • 4. MLCC: Technical Trends: 2. Miniaturization http://www.sem.samsung.co.kr Advanced Electronic Ceramics I (2004) MLCC: Technical Trends: 3. Base-Metal Technology http://www.sem.samsung.co.kr Advanced Electronic Ceramics I (2004)
  • 5. Multi Layer Ceramic Capacitor C = nε0εrA/t C: Capacitance n: number of layer ε0 : permittivity in vacuum εr : dielectric constant A: area t: thickness For high C in small volume n↑, t ↓ (1005→ 0603 → 0402) Ni electrode for cost reduction Advanced Electronic Ceramics I (2004) 전자신문 Advanced Electronic Ceramics I (2004)
  • 6. 삼성전기(대표 강호문)는 지난달부터 0603 크기의 적층세라믹콘덴서(MLCC)를 월 2000만개씩 양산, 기존 1608 크기의 MLCC보다 공급단가가 최소 100배 이상 비싼 고수익 부품사업 확대에 본격 나섰다. 특히 1005와 0603형 크기의 극소형 MLCC 생산비중을 현재 15%선에서 연말까지 30%대로 높일 계획이다. 업계 관계자들은 “범용 부품의 경우 가격경쟁이 치열해 수익성이 떨어지는 반면, 고부가 제품들은 매출 및 수익성 창출효과가 크다”면서 “수동부품업체들이 범용 제품 생산기지를 중국 및 동남아로 이전하는 대신 국내 공장은 고부가 제품 위주로 빠르게 생산구조를 재편하는 추세”라고 강조했다. 전자신문 2002년 9월 5일자 Advanced Electronic Ceramics I (2004) Multi Layer Ceramic Capacitor Powder preparation technique 1. Solid State Reaction (past) 2. Hydrothermal (current) 3. Coprecipitation (current) Starting particle size : < 0.5 µm - particle size↓ → surface area ↑ → additive content↑ → difficult to increase solid loading → advanced dispersion technique is required Advanced Electronic Ceramics I (2004)