baber/WOPTO huggingface dataset:
Patent KR-20060017648-A (KR)
Title: Method for monitoring a rotation rate sensor
Inventor: MORELL HEINZ WERNER
IPC: G01C19/56
Filed: 2004-05-27
Abstract: The invention relates to a method for monitoring a rotation rate sensor comprising a vibration gyroscope that represents a band-pass filter and that is part of at least one control circuit. Said control circuit is comprised of digital and analog components and excites the vibration gyroscope to vibrate with its natural frequency by supplying it with an excitation signal. An output signal can be gathered from the vibration gyroscope from which the excitation signal and the rotation rate signal can be derived by filtering and amplification. The inventive method is characterized in that redundant analog components and at least one analog to digital converter is used to measure analog signals and read characteristic values within the digital components and compare them with limiting values.
Patent KR-20070074050-A (KR)
Title: Nozzle apparatus for organic light emitting device
Inventor: PARK JOON YONG
IPC: H05B33/10
Filed: 2006-01-06
Abstract: A nozzle device for an organic light emitting device is provided to reduce the line width and a thickness of an organic film by accurately controlling a spraying amount of a low-viscosity organic solution. A nozzle device(100) for an organic light emitting device includes a nozzle(101) and a pressure adjusting unit(106). The nozzle sprays an organic solution on a substrate. The preventing adjusting unit adjusts the spraying amount of the organic solution from the nozzle. The spraying amount of the organic solution is finely adjusted by regulating the length of the nozzle. The nozzle includes plural bending portions. The nozzle is arranged to be bent in a zig-zag formation. Alternatively, the nozzle is bent in a spiral, stripe, or wave form. The pressure adjusting unit is a gas pressure adjuster. The nozzle device includes a cylinder, where the organic solution is contained.
Patent KR-20060081884-A (KR)
Inventor: FLEURY JEAN FRANCOIS
IPC: H04L12/70
Filed: 2006-01-06
Abstract: 본 발명의 방법은 스트림 서버에 의해 근거리 네트워크 내의 멀티캐스트 어드레스, 특히 오디오/비디오를 할당하기 위한 해법을 제공하는데 사용될 수 있다. 이러한 해법은 구성 또는 특정한 서버를 수반하지 않는다. 본 발명은 멀티캐스트 어드레스를 구성하기 위해 송신된 스트림의 식별자를 사용하는 것에 의존한다. 또한, 이 방법은 송신 클라이언트가 스트림에 가입하기 위해 적절히 구성된 멀티캐스트 어드레스를 인지할 수 있게 한다.
Patent KR-20060015684-A (KR)
Inventor: CHOI SANG HWAN
IPC: A01G22/22
Filed: 2006-01-25
Abstract: 본 발명은 비타민을 증강시키는 벼의 재배방법에 관한 것이며, 성장기에 있는 유아와 수유중인 출산부가 부족하기 쉬운 비타민(엽산)을 밥의 취식으로 섭취할 수 있도록 쌀의 재배과정에서 비타민을 증강시킬 수 있도록 함에 목적이 있다. 
     본 발명은 복합산(핵산)을 1000배로 희석한 수용액에서 볍씨를 발아시킨후 육묘상에 파종하고, 육묘상에는 복합산을 3000배로 희석한 수용액을 1주일마다 2~3회를 엽면시비하고, 이앙후에는 복합산을 3000배로 희석한 수용액을 출수 10일전과, 출수 2~3일전과, 출수 7~10일후에 각 1회씩을 엽면시비하여 재배하는 방법이다. 
     이와 같은 본 발명은 복합산(핵산) 수용액으로 볍씨를 발아시키고 육묘상에 파종한후 엽면시비하고, 출수전후에 엽면시비하여 재배함으로써 복합산에 의해 벼의 영양생장과, 생육생장의 밸런스를 맞추게 되므로 병해에 대한 내성이 강하게 되고, 수정률이 향상되며, 뿌리, 줄기, 잎에서 토양의 무기물과, 물과, 태양광선의 광합성이 활발하여 생산되는 벼의 비타민(엽산) 생성율이 탁월하게 높아져 비타민 함량이 증가되는 기능성 쌀을 생산할 수 있게 되는 특징이 있다. 
     복합산(핵산), 비타민(엽산), 증강, 재배, 엽면시비
Patent KR-20060015695-A (KR)
Inventor: JUN PIL SUNG
IPC: A44C25/00
Filed: 2006-02-02
Abstract: 본 발명은 원적외선 및 음이온 방사 특성을 동시에 가지는 세라믹 제품의 제조방법으로서 토르말린과 유기바인더 및 무기 바인더를 혼합하는 제 1원료 혼합단계; 제 1원료 혼합물을 열처리 하고 10~100kg/cm 2 의 압력에서 구형으로 성형하는 1차 성형 단계; CeO 2 (세리아)와 성형성 및 소결성을 제어하기 위해 P성분을 혼합하여 슬러리를 준비하는 제 2원료 혼합단계; 1차 성형 결과 하소된 소재에 상기 제 2 원료 혼합물 슬러리를 코팅하는 2차 성형단계; 및 2차 성형 결과물을 1∼10시간 동안 1000∼1200℃에서 열처리하는 단계를 포함하는 것을 특징으로 하는 원적외선 및 음이온 방사 특성을 동시에 가지는 세라믹 제품의 제조방법이다. 
     따라서 원적외선 및 음이온이 동시에 높은 수준으로 다량 방사되고 항균활성을 가지며 인체에 무해하며, 다양한 영역에서 적용될 수 있는 기능성 세라믹 제품을 제조할 수 있다. 본 발명에 의해 제조된 기능성 세라믹 제품은 인체에 무해하기 때문에 내장도료의 첨가제, 조리산업, 탈취 항균 용품의 제조 등에 적용이 가능하며 사용후 재열처리에 의해 지속적인 사용이 가능하다. 
       
     원적외선, 음이온, 세라믹.
Patent KR-20070081506-A (KR)
Title: Apparatus for local exhaust of pollution gas
Inventor: RYU JAE WOO
IPC: H01L21/02
Filed: 2006-02-13
Abstract: An apparatus for a local exhaust of pollution gas is provided to secure the safety of workers by restraining or minimizing the amount of the pollution gas exhausted to the outside of a chamber in a chamber cleaning process. An apparatus for a local exhaust of pollution gas includes an absorption unit, a pollution gas moving unit, and at least one controller. The absorption unit is installed at an upper portion of a chamber in order to absorb the pollution gas of the chamber. The pollution gas moving unit(200) has an upper opening portion. The pollution gas moving unit is used for fixing the absorption unit and supplying a predetermined path for the pollution gas. The controller(220) controls the up/down motion of the absorption unit.
Patent KR-20070082123-A (KR)
Title: Protecting method conductive film for electronic equipment display manufacturing
Inventor: JANG YOUNG JAE
IPC: H01B5/14
Filed: 2006-02-15
Abstract: A method for protecting a conductive film for manufacturing a flexible display of an electronic device is provided to safely mount the conductive film on a worktable and make the conductive film thin when forming a display unit and a touch unit on the conductive film. A method for protecting a conductive film for manufacturing a flexible display of an electronic device includes: preparing a conductive film(3) having a thickness ranging from 5 to 75 um; coating a surface of a heat resistant film(1) such as a PET film, a PC film, a PEN film, or a PES film with an adhesive composition(2) with a thickness of 5 to 100 um in order to manufacture a protection paper; and detachably attaching the protection paper to the other surface of the conductive film(3).
Patent KR-20070084840-A (KR)
Title: Display device and manufacturing method of the same and powder composition for manufacturing the same
Inventor: CHA SOON WOOK
IPC: H05B33/14
Filed: 2006-02-22
Abstract: A display device, a manufacturing method thereof, and a powder composition for manufacturing the same are provided to maintain the uniform quality of an organic layer by uniformly maintaining a drying condition of ink regardless of an order of dropping. A display device includes an insulation substrate(110), a partition(141), an organic layer, a thin film transistor(120), a pixel electrode(132), a source electrode, and a drain electrode. The partition(141) is formed on the insulation substrate(110) and encloses a predetermined region. The organic layer is formed by supplying powder composition having solvent and organic substance in the partition(141) and removing the solvent. The solvent is removed by heating and liquefying it. The thin film transistor(120) is formed on the insulation substrate(110). The pixel electrode(132) is connected to the thin film transistor(120) and is enclosed by the partition(141). The organic layer is formed on the pixel electrode(132). The source electrode and the drain electrode are formed to be spaced apart from each other with a channel region between.
Patent KR-20070084956-A (KR)
Title: Method for manufacturing light emitting display device and light emitting display device the same
Inventor: LEE HO NYUN
IPC: H05B33/04
Filed: 2006-02-22
Abstract: A light emitting display device and a method for manufacturing the same are provided to prevent a solid sealant from being discharged to an outside by forming a groove on an edge of a cover substrate. A method for manufacturing a light emitting display device includes the steps of: preparing a first substrate and a second substrate(S402); forming a groove having a width between 10 and 2000 mum and a depth between 0.1 to 100 mum at edges of at least one of the first substrate and the second substrate(S404); forming a plurality of unit pixel devices on the first substrate in the step of S402 or S404(S406); and forming a sealant on a region including an entire part or a part of the groove(S408).
Patent KR-20070092779-A (KR)
Title: Polyimide film and metal-clad laminates
Inventor: PARK JONG MIN
IPC: C08J5/22
Filed: 2006-03-09
Abstract: A polyimide film is provided to have excellent characteristics such as dimensional stability, high elasticity, a low coefficient of linear thermal expansion, heat resistance, and flexing resistance and be useful as a base film for flexible wiring boards and copper clad laminates. A polyimide film is formed of polyimide having a molecular weight of 5,000-10,000,000 and comprising 0.25-90.25mol% of a repeat unit represented by the following formula 1, 0.25-90.25mol% of a repeat unit represented by the following formula 2, 0.25-90.25mol% of a repeat unit represented by the following formula 3, and 0.25-90.25mol% of a repeat unit represented by the following formula 4. In the formulae 3 and 4, Ar represents the following formula (a).
Patent KR-20070078355-A (KR)
Title: Nand-type nonvolatile memory device having common bit lines
Inventor: KIM SUK PIL
IPC: G11C16/24
Filed: 2006-03-10
Abstract: A NAND type nonvolatile memory device having a common bit line is provided to achieve high integrity by reducing space among strings by adopting a common bit line structure and a common source line structure. A first string(S1) includes a string selection transistor(SST), a plurality of unit devices(CT) and a source selection transistor(GST), and each of the unit devices includes a control gate and a storage node, and each of the string and source selection transistors includes a gate. A second string(S2) includes a string selection transistor(SST), a plurality of unit devices(CT) and a source selection transistor(GST), and each of the unit devices includes a control gate and a storage node, and each of the string and source selection transistors includes a gate. A plurality of word lines is connected to the control gate of the unit devices, and crosses the first and second strings. A first string selection line is connected to the gate of the string selection transistor of the first string, and crosses the first string. A second string selection line is connected to the gate of the string selection transistor of the second string, and crosses the second string. A common bit line(CBL) connects one ends of the first and second strings. A first source selection line is connected to the gate of the source selection transistor of the second string, and crosses the second string. A second source selection line is connected to the gate of the source selection transistor of the first string, and crosses the first string. A common source line(CSL) connects the other ends of the first and second strings.
Patent KR-20070093176-A (KR)
Title: Chemical cleaning process of steam touched boilers in thermal power plant and system for performing air blowing in the process
Inventor: EHM HEE MOON
IPC: B08B5/02
Filed: 2006-03-13
Abstract: An air blowing system for performing an air blowing operation in the chemical cleaning process for a steam-system boiler is provided to use the boiler semi-permanently by removing the scale of the inner surface for the tube by periodically performing the chemical cleaning operation for a heater and a re-heater. In an air blowing system for performing an air blowing operation in the chemical cleaning process for a steam-system boiler, the chemical cleaning agent is formed by mixing 50 weight% of EDTA(EthyleneDiamineTetraacetic Acid), 1.5 weight% of citric acid or sulfuric acid as an addition agent, 20 weight% of diluted solution made by diluting the five-times quantity of the undiluted solution formed with 33 weight% of ammonic water and 15 weight% of pure water, as a solvent, 0.5~1.5 weight% of formic acid or glycolic acid, 0.5~1.5 weight% of the citric acid or the glycolic acid, 0.3 weight% of a corrosion preventing agent, and 76.4~78.6 weight% of the pure water as a diluting solution.
Patent KR-20060106675-A (KR)
Inventor: OGIYA KANICHIRO
IPC: B62J6/00
Filed: 2006-03-15
Abstract: 테일라이트와, 이 테일라이트의 양측에 나란히 윙커를 일체로 갖는 등화기가, 측면에서 봐서 후방을 향해 돌출한 V자형을 이루며 차체 후부에 설치되는 차량의 등화기 구조에 있어서, 등화기의 디자인 상의 선택의 수를 넓히는 것을 가능하게 한다. 
     V자의 돌출단에 대응하는 위치에, 외관에서 봐서 테일라이트(30)를 상하로 구획하는 띠형상부(65a)가 설치된다.
Patent KR-20060103132-A (KR)
Inventor: NAKANISHI TETSUO
IPC: G03F7/075
Filed: 2006-03-22
Abstract: 감광성 수지 조성물용 용제와의 상용성이 우수하고, 표면 장력 저하능, 표면 평활능이 높으며, 또한 안정성이 높은 감광성 수지 조성물용 레벨링제를 함유한 감광성 수지 조성물을 제공한다.   
     하기 화학식 1로 표시되는 오르가노폴리실록산 잔기인 구성 단위 A와 하기 화학식 2로 표시되는 (폴리)글리세린 유도체 잔기인 구성 단위 B가, A-B-A로 결합되어 이루어지는 (폴리)글리세린 변성 실리콘을 0.01 내지 20 중량％ 함유한다.   
     <화학식 1> 
     
       
     
     <화학식 2> 
     
       
     
     [식 중,  
     R 1 은 서로 독립적으로, 할로겐으로 치환될 수 있는 탄소수 1 내지 10의, 알킬기, 시클로알킬기, 아릴기 또는 아랄킬기이고,  
     x는 0 내지 100의 정수이고,  
     α는 1 또는 2이고, 
     R 2 는 서로 독립적으로 탄소수 2 내지 11의 알킬렌기이고,  
     s는 1 내지 11의 정수이다.]  
       
     감광성 수지 조성물, 레벨링제, (폴리)글리세린 변성 실리콘, 평탄성
Patent KR-20060103401-A (KR)
Inventor: KANAZAWA YOSHIKAZU
IPC: G09G3/296
Filed: 2006-03-23
Abstract: 본 발명은 표시 영역 밖의 스캔 전극에 스캔 펄스를 공급하지 않도록 스캔 전극의 전압을 생성할 수 있는 플라즈마 디스플레이 장치를 제공하는 것을 목적으로 하는 것으로, 표시 영역 내에서 제1 스캔 전극(Y1)을 포함하는 제1 표시 라인과, 표시 영역 밖에서 제2 스캔 전극(Ya)을 포함하는 제1 비표시 라인과, 제1 및 제2 전위로 구성되는 스캔 펄스 중의 제1 전위를 인가 가능한 제1 전위 라인(VDH)과, 스캔 펄스의 제2 전위를 인가 가능한 제2 전위 라인(VG)과, 제1 전위 라인 및 제1 스캔 전극 사이에 접속되는 제1 스위치(SWl)와, 제2 전위 라인 및 제1 스캔 전극 사이에 접속되는 제2 스위치(SW2)와, 제1 및 제2 스캔 전극 사이에 접속되는 제1 정류 소자(D5)를 갖는 플라즈마 디스플레이 장치가 제공된다.   
       
     플라즈마 디스플레이 패널, 어드레스 구동 회로, 리브, 유전체층, 스캔 드라이버, 스캔 펄스, 에이징 전극, 서브 프레임, 어드레스 전극
Patent KR-20060107307-A (KR)
Inventor: COUSHAINE CHARLES M
IPC: F21K99/00
Filed: 2006-03-31
Abstract: 하나의 축(14)을 갖는 지지 부재(12)를 구비한 허상 점광원(10)과, 상기 지지 부재(12)위에 위치한 다수의 단일 발광 다이오드(16); 및 상기 발광 다이오드(16) 각각과 결합하며 결합된 발광 다이오드(16)로부터 축(14) 위의 허상 점(20)까지 상기 지지 부재로부터 일정한 거리(d)를 가지고 빛을 초점화하는 단일 광학체(18)가 개시된다.
Patent KR-20070099106-A (KR)
Title: Accessories with connector for mobile phone
Inventor: LEE TAE GYUN
IPC: A44C25/00
Filed: 2006-04-03
Abstract: An accessory combined with a mobile phone connector is provided to have an accessory function of being hung on a hook of a mobile phone and to be used as a cable for transmitting data or charging. An accessory combined with a mobile phone connector includes first and second bodies(10,10a), a cable(12), a cover(20), anyone of a USB connector, a USB port, a data connector, and a data port installed on the first and second bodies, and a USB slot or a data slot that is able to receive the USB connector or the data connector. The cable is used to transmit data between the bodies or to charge the bodies. A wire(22) is installed on one side of the cover. The one that is selected among a USB port, a data connector, and a data port and installed in the first body is different from the one installed in the second body.
Patent KR-20070099908-A (KR)
Title: Internal voltage generator
Inventor: KIM KYUNG WHAN
IPC: G11C5/14
Filed: 2006-04-06
Abstract: An internal voltage generator is provided to maximize driving efficiency by minimizing a leakage current component under a low power supply voltage environment. According to a semiconductor memory device, a reference voltage generation part(100) outputs a reference voltage. A driver control part(200) generates a driver control signal by inputting the reference voltage. An amplifier part inputs the driver control signal and then amplifies the driver control signal. A driver(300) outputs an internal voltage in response to an output signal of the amplifier part. The reference voltage generation circuit includes a voltage divider.
Patent KR-20060108500-A (KR)
Inventor: NOZU MIKIO
IPC: G07D7/04
Filed: 2006-04-06
Abstract: 코일(27)과 콘덴서(28)로 구성되는 병렬 접속 회로(29)에, 발진기(38)를 접속한다.  위상 비교기(39)는, 발진기(38)의 출력 신호를 위상 비교함으로써 지폐의 특징 정보를 검출한다.  식별부(61)는 검출된 특징 정보로부터 지폐의 진위를 식별한다.
Patent KR-20070099984-A (KR)
Title: Method of making piezoelectric bimorph acatuator for clamping lead wire of semiconductor device
Inventor: SONG KEON HWA
IPC: H01L41/053
Filed: 2006-04-06
Abstract: A method for manufacturing a piezoelectric bimorph actuator for clamping a lead wire of a semiconductor device is provided to reduce a manufacturing cost without an expensive chemical deposition apparatus or sputtering apparatus by coating a conductive metal with a screen printing method. A method for manufacturing a piezoelectric bimorph actuator for clamping a lead wire of a semiconductor device includes the steps of: manufacturing an electrode plate(S10); manufacturing ceramic devices(S20); and adhering the ceramic devices to both surfaces of the electrode plate(S30). The step for manufacturing a ceramic device includes the steps of: forming a ceramic block with ceramic powder including a binder; removing the binder by heating the ceramic block; adhering the ceramic powers of the ceramic block by heating the ceramic block at a temperature below a melting point; polishing the ceramic block with a predetermined thickness; coating conductive metal on both surfaces of the ceramic block; and polarizing the ceramic devices by applying a high DC voltage to the ceramic devices.
Patent KR-20070101431-A (KR)
Title: Device for changing a lamp of three wavelength
Inventor: KIM HAG GEUN
IPC: F21V21/36
Filed: 2006-04-10
Abstract: A device for exchanging a lamp of three wavelengths is provided to prevent a joint unit of a bulb from being damaged by forming a slant unit on the joint unit. A device for exchanging a lamp of three wavelength includes a handle rod(10), a lamp(1), a lamp insertion unit(20), a bulb gap(5), and a fixing protrusion(30). The handle rod(20) is extended to a length direction. The lamp insertion unit(20) is connected to an end of the handle rod(10). The lamp(1) is inserted into the lamp insertion unit(20). The fixing protrusion(30), which is protruded inwardly and is inserted into the bulb gap(5) of the lamp(1), is formed on an inner plane of the lamp insertion unit(20). The lamp insertion unit(20) is composed of a barrel shape having an extension unit(26) of upper part and a reduction unit(24) of a lower part. A joint unit of the extension unit(26) and the reduction unit(24) is formed as a slant unit which is located on an opposite side to the fixing protrusion(30).
Patent KR-20070101476-A (KR)
Title: Apparatus and method for supplying dc power source
Inventor: KIM HAG WONE
IPC: H02M7/48
Filed: 2006-04-10
Abstract: An apparatus and a method for supplying a DC power are provided to improve a waveform of an input current and reduce the cost of materials by detecting an operation load and controlling an active filter based on the detected operation load. An apparatus for supplying a DC power includes an active filter(310), an operation load detection part(330), a switching control part(320), a smoothing part(340), and an inverter(350). The active filter(310) reduces a harmonic wave of a power current, rectifies a power voltage, and boosts up a smoothed voltage. The operation load detection part(330) detects an operation load of a motor. The switching control unit(320) controls a switching part according to a PWM(Pulse Width Modulation) signal based on the detected operation load and a zero voltage across point of the power voltage. The smoothing unit(340) smooths an output voltage of the active filter(310) to a DC voltage. The inverter(350) converts the smoothed DC voltage into an AC voltage.
Patent KR-20070102073-A (KR)
Title: Method for providing personalized lifecycle management service using policy-based autonomic data management technology
Inventor: AHN CHANG WON
IPC: G06F17/30
Filed: 2006-04-13
Abstract: A method for providing a personalized lifecycle management service based on a personalized data management policy is provided to implement conveniently the data management serve based on the personalized policy by executing a various data management processes according to the data management policy pre-defined by the user. A method for providing a personalized lifecycle management service based on a personalized data management policy comprises the steps of: a data exchange recognition step(206) for recognizing a system for providing the personalized lifecycle management service and the data exchange between a first storing device connected via a network; a policy recognizing step(207) for recognizing the personalized data management policy for the connected first storing device; a context information recognizing step(208) for recognizing the context information for a corresponding user; a data management step(209) for executing the data management function according to the recognized personalized data management policy and the context information; and a meta data considering step(210) for considering the execution result of the data management function to the meta data.
Patent KR-20070107363-A (KR)
Title: Switch assembly for electronic products
Inventor: CHO WOON YANG
IPC: H01H9/16
Filed: 2006-05-03
Abstract: A switch assembly for electronic devices is provided to decrease a number of parts and to improve assembly performance by directly connecting a light transmission member with a panel with hook connection. A switch assembly for electronic devices includes a circuit board, a light transmission member(140), and a knob(150). The circuit board(100) includes a rotary jack(120) and a plurality of luminous elements(110) to emit light around the rotary jack. The light transmission member is closely installed to a panel(130) of electronic devices with hook connection and emits light received from the light elements between an opening hole(132) of the panel. The knob is inserted into one end of the rotary jack of the circuit board. The knob is installed in the opening hole of the panel to rotate and operates the switch.
Patent KR-20070111243-A (KR)
Title: Culture medium and cultivation method for lyophyllum decastes
Inventor: CHOI HYUN WOO
IPC: A01G1/04
Filed: 2006-05-17
Abstract: A method of cultivating Lyophyllum decastes using a medium containing oak tree bark, poplar sawdust, Douglas fir sawdust, waste sawdust, pine tree bark, decomposed leaves, decomposed bark is provided to produce the Lyophyllum decastes massively. Lyophyllum decastes is cultivated by the steps of: adding 10 to 30% by weight of rice bran as a fermentation additive and 1 to 2% by weight of slaked lime as a pH adjuster to a fermentation medium; heating the mixture at 45 to 60deg.C and 50 to 70% humidity for 4 to 5 days and aerobically fermenting outdoors of 10 to 40deg.C for 50 to 60 days; filling the medium into a bottle, sterilizing and cooling to 16 to 18deg.C and the inoculating a hypha; culturing a hypha at 20 to 25deg.C for 45 to 50 days in a bottle culture chamber; scraping an old hypha; covering the medium with any one of decomposed leaf or peat and culturing at 22deg.C for 6 to 8 days; removing the decomposed leaf or peat and maintaining at 16 to 18deg.C and 90 to 95% humidity for 6 to 8 days to allow hyphae to emerge from the medium and grow; and cultivating at 16 to 18deg.C and 70 to 80% humidity for 8 to 10 days. The fermentation medium contains 10 to 40% by weight of oak tree bark, 40 to 70% by weight of poplar sawdust, 0 to 30% by weight of Douglas fir sawdust, 0 to 30% by weight of waste sawdust, 0 to 30% by weight of pine tree bark, 0 to 10% by weight of decomposed leaves, 0 to 30% by weight of decomposed bark and 0 to 50% by weight of leaf litter.