TW201402087A - 吸收物件 - Google Patents

吸收物件 Download PDF

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Publication number
TW201402087A
TW201402087A TW102118230A TW102118230A TW201402087A TW 201402087 A TW201402087 A TW 201402087A TW 102118230 A TW102118230 A TW 102118230A TW 102118230 A TW102118230 A TW 102118230A TW 201402087 A TW201402087 A TW 201402087A
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Taiwan
Prior art keywords
absorbent
absorbent layer
layer
absorbent article
article
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TW102118230A
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English (en)
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TWI610666B (zh
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Charlotte Johansson
Susanne Fredrikson
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Sca Hygiene Prod Ab
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Publication of TW201402087A publication Critical patent/TW201402087A/zh
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Publication of TWI610666B publication Critical patent/TWI610666B/zh

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    • A61F13/4756Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Dermatology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

本發明有關一種吸收物件譬如一衛生棉片或失禁墊,具有縱向側緣和橫向端緣等,並包含一流體可滲透的頂片,一流體不能滲透的背片,及一吸收核芯位在該頂片與該背片之間。該吸收核芯包含一第一吸收層具有一開孔延伸貫穿,及一流體流動控制結構位於該第一吸收層與該背片之間。該第一吸收層具有一縱向前部和一縱向後部,及一窄橫向過渡區位在該前部與該後部之間。該窄橫向過渡區的寬度是該第一吸收層的前部之最寬橫向寬度的50~75%,且該開孔之縱向長度的20~50%係位於該第一吸收層之該前部中。

Description

吸收物件 發明領域
本發明有關一種吸收物件譬如衛生棉片或失禁墊包含一吸收核芯具有一開孔延伸穿過其中。
發明背景
此種吸收物件係戴在通常的內褲內部,包括可供成人失禁或婦女使用的吸收片或墊等。
該等片或墊一般設有一吸收核芯來吸收並保留體液。為使該等吸收物件能有效率地發揮功能,該吸收核芯必須迅速地由施放點將體液收入該結構中,然後將該體液分佈遍及該吸收核芯內以提供最大的防漏含量。一獲取/分佈層相連於該核芯,且該核芯之一開孔會在後續的滲入物被導至與先前的滲入物相同的局部區域時來協助,因該局部局域會趨向於已經充滿先前滲入的液體。
因此類物件必須被定寸並構形成能配裝在內褲之胯部中可用的有限空間內,一特別的問題係它們可能會在該物件的全部吸收容量已被利用之前,於其側緣處滲漏。該流體將會取代地在該頂片上流動,並流出該物件的側緣外,在該處其會漏出而髒污該穿戴者的衣褲。當流體 在該頂片的外面流動時之另一缺點係該與身體接觸的頂片之一大部份將會潮溼。此當然是極為不佳的,因其會使該物件穿戴時不衛生且不舒服。
以往曾有很大的努力用來克服有關可供失禁或婦女使用的棉片和墊之側漏問題。
WO 2009067059 A1專利揭露一種吸收物件包含一吸收核芯具有摺疊標示及一成形元件用以獲得該物件之一所需形狀。雖習知技術的設計可改善側漏問題至某些程度,但對穿戴在一內褲胯部中的該種吸收物件之側漏安全性的進一步改良仍有甚大需要。
發明概要
本發明之一目的係為提供一種改良的方案,其會改善該等物件的前述缺點。
本發明有關一種依據申請專利範圍第1項的吸收物件。該吸收物件係為一種譬如衛生棉片或失禁墊的物品,而具有縱向側緣和橫向端緣等,並包含一流體可滲透的頂片,一流體不能滲透的背片,及一吸收核芯設在該頂片和背片之間。該吸收核芯包含一第一吸收層具有一開孔延伸貫穿,及一流體流動控制結構設在該第一吸收層與該背片之間。該第一吸收層具有一縱向前部和一縱向後部,及一狹窄的橫向過渡區位於該前部與後部之間。該窄橫向過渡區的寬度係為該第一吸收層的前部之最寬橫向寬度的50~75%,且該開孔之縱向長度的20~50%係位在該第一吸 收層之前部中。故一吸收物件會被達成,其當使用時會留在定位,且其能確保液體將會被導至該開孔,並進入該流體流動控制結構和該核芯中。
該窄橫向過渡區的寬度較好係為該第一吸收層的前部之最寬橫向寬度的55~70%,俾可在該戴用者的筋腱後方獲得一良好的鉤合。該窄橫向過渡區的寬度可為該第一吸收層的後部之最寬橫向寬度的50~75%,較好為55~70%,俾能確保該物件之一改良的適配。該前部和後部的最寬橫向寬度可為大約75~170mm。該窄橫向過渡區的縱向伸幅可為該第一吸收層之縱向長度的5~20%,以更確保該物件在使用時有一妥當的配裝並留在定位。該第一吸收層的窄橫向過渡區之寬度可小於130mm而大於30mm,較好小於90mm而大於50mm,俾使該物件在該戴用者的筋腱之間有一改良的適配。該第一吸收層的縱向長度可為大約230~400mm。
該第一吸收層的前部可構成該第一吸收層之總縱向長度的20~40%。一由該第一吸收層的前部相對於該後部之一較短的縱向長度所造成的該物件之一不對稱形狀更會改良該物件的適配和滲漏安全性。
該第一吸收層具有至少一開孔完全地延伸貫穿該層,而在該物件中形成一空穴。該開孔之縱向長度的20~50%,較好為20~40%,可被設在該第一吸收層的前部中,俾可確保該孔相對於該物件之戴用者的筋腱有一妥善的配位。該第一吸收層中之該開孔的縱向長度可為該第一 吸收層之縱向長度的10~60%,較好為20~40%,俾可確保流體流入該開孔中,而不會在該頂片外面。在該第一吸收層的前部中之該開孔的橫向尺寸可比在該第一吸收層的後部中之該開孔的橫向尺寸更大,俾可改良通過該孔並再流入該流體流動控制結構之流體的引入。該第一吸收層可僅有一開孔以供用於滲透安全性及使用者之改良的安全感覺。
一第二吸收層可被設於該流體流動控制結構與該背片之間,用以更增加該物件的吸收容量。該第二吸收層可具有一比該第一吸收層較小的表面積,俾能加強該具有增多容量之物件的凹曲形狀。該第一吸收層可在該吸收物件中比該第二吸收層更向前及向後延伸。該物件可包含一或更多個另外的吸收層。
該流體流動控制構件係被設在該第一吸收層與該背片之間,但亦可被設在該第一吸收層與一第二吸收層之間。該第一吸收層可被設在該頂片底下並與其直接接觸,或亦可藉由一或多個中介部件,譬如薄紗層、獲取層或其它吸收層等,來被設成與該頂片間接接觸。同樣地,該第二吸收層可被直接設在該流體流動控制構件底下,並與該流體流動控制構件和該背片直接接觸,或可藉中介部件來與此等部件之一或二者間接接觸。藉著將該流體流動控制構件設在該第一和第二吸收層之間,其會在吸收物件中形成一通道,並將該流體導至該物件的後方和前方。該流體流動控制構件與該吸收核芯之間的接觸面積會增加, 此會方便該物件中的液體之分佈和快速吸收。
該吸收物件係呈一失禁墊或一衛生棉片的形式,而可供婦女或失禁者使用,且在所有方向完全伸張時,可具有一伸長之概呈矩形的形狀。在本文中,一概呈矩形的形狀係意圖亦要包括,例如,該吸收物件的邊角可為圓曲的,或該吸收物件的邊緣可能不是完全直線的。該吸收物件可具有二縱向側緣具有相等長度,並大致以相同的方向延伸。
該吸收物件的頂片和背片可沿該物件的整個周緣一起側向地伸出該第一吸收層外部,並在一繞該吸收核芯的周緣之邊緣接合處互相連接,以供滲漏安全。該頂片較好可覆蓋部份的背片來形成一邊緣阻障。
該頂片可由任何材料構成,其係適合於該目的者,即要柔軟且液體可滲透的。頂片材料之例為非織材料,多孔塑膠膜,塑膠或織物網,及流體可滲透的發泡層等。由二或更多頂片材料組成的疊層亦可被使用,如頂片在該流體可滲透之面向穿戴者表面的不同部份內包含不同的材料。
該背片是流體不能滲透的。然而,只是排斥流體的背片材料亦可使用,特別是在相對小量的尿係預期會被吸收的情況下。該背片可為一薄且可撓之流體不能滲透的塑膠膜,譬如聚乙烯或聚丙烯膜,但流體不能滲透的非織材料、流體不能滲透的發泡物及流體不能滲透的疊層等亦包含在本發明的範圍內。該背片較好為可透氣的,意指空 氣和蒸汽可穿過該背片。又,該背片可具有一織造材料譬如非織物之外部的面向衣服表面。
該吸收核芯包含一第一吸收層。其可只包含一吸收層,但亦可包含一第二或更多的吸收層。該吸收核芯可由任何適當的吸收或流體吸取材料製成,譬如一或更多層的纖維素絨毛漿粕、發泡物、高蓬鬆物等。該吸收核芯可包含高吸收性聚合材料的纖維或粒子,俗稱為超吸收體,其係當形成一水凝膠時會有吸收和保留大量流體之能力的材料。該等超吸收體可被與纖維素絨毛漿粕混合,及/或可被置設在該吸收核芯中的袋或層中。該纖維可為漿粕纖維,且該超吸收材料可為聚丙烯酸酯基的粒子。該吸收結構可包含40~80%的超吸收體和60~20%的漿粕纖維。該吸收核芯可更併附某些成分用以改良該吸收核芯的性質。此等成分的某些例子為黏合劑纖維、流體分散材料、濕度指示劑、流體獲取材料等。
該等吸收層可為均質結構,或在它們本身中可為多層結構,譬如相同或不同材料的吸收疊層。該等吸收層可具有均一厚度,或可在該各層的不同部份厚度不同。同樣地,該基重和成分可在該等吸收層內不同。舉例而言,一吸收層可包含一吸收性及/或非吸收性纖維和超吸收材料的混合物,其中該超吸收材料對纖維的比例可在該層中不同。一或更多的壓縮線,作用如鉸鏈,可有利地被設在該第一吸收層中,其可為相對硬挺的,以方便該吸收物件的摺疊。
該頂片較好向下伸入該空穴中,其係由該第一吸收層中的開孔所界定者,且該流體流動控制結構的表面係面向該頂片。因此,該空穴將會被襯填頂片材料,並可由該吸收物件的外部面向身體表面進入。被收集於該空穴中的流體之一部份可透過該空穴的壁被該第一吸收層吸收。但是,該流體的絕大部份將會繼續向下流入該吸收物件中,通過該空穴的底部並進入該流體流動控制構件,在該處其會沿該流體控制構件來縱向及橫向地分佈。
該流體流動控制構件可為矩形狀,且在縱向和橫向可被部份的該吸收核芯包圍。該流體流動控制結構的其它形狀和構態亦可被使用。然而,若該流體流動控制構件具有比該吸收核芯更小的寬度並且較短,則一般是較有利的,因這會方便散佈於該吸收核芯之一大面積。
彈性構件可被沿該衛生棉片的每一縱向側緣設置,至少側向地在該第一吸收層的前部和後部之間的該窄橫向過渡區外部,用以更改良該物件的形狀。該等彈性構件較好係設在該頂片與背片之間。該吸收物件較好具有一間隙,沿該第一吸收層的各側緣置設而實質上沒有吸收材料,俾可獲得一細長的形狀並改良該物件對該戴用者的適配。該間隙可被設成鄰近該第一吸收層的窄橫向過渡區,而位於設在該物件周緣的彈性物與該第一吸收層的周緣間之一區域中。
該吸收物件可更包含固緊裝置用以將該吸收物件固緊在一支撐褲件,譬如一內褲的內部。該固緊裝置可 被一能釋離的保護層覆蓋。
1‧‧‧吸收物件
2,3‧‧‧縱向側緣
4‧‧‧前端緣
5‧‧‧後端緣
6‧‧‧前部
7‧‧‧後部
8‧‧‧頂片
9‧‧‧背片
11‧‧‧第一吸收層
12‧‧‧開孔
13‧‧‧流體流動控制結構
14‧‧‧窄橫向過渡區
15‧‧‧第二吸收層
16‧‧‧彈性構件
17‧‧‧間隙
本發明將會參照所附圖式更詳盡地說明,其中:圖1為一依據本發明之吸收物件的第一吸收層和流體流動控制結構之平面圖。
圖2為沿圖1之II-II線的截面圖。
圖3為一依據本發明的吸收物件之一實施例的平面圖。
圖4為沿圖3之II-II線的截面圖。
圖5為圖3的吸收物件之一立體分解圖。
圖6為一依據本發明的吸收物件之一實施例的側視圖。
較佳實施例之詳細說明
本發明將被以一實施例更詳盡地說明於後。但本發明可被以許多不同的形式來實施,而不應被視為受限於該等圖式及其說明中所描述的實施例。
圖3示意地揭示一吸收物件1呈一失禁墊的形式,係由當該物件1被穿戴時要面向一穿戴者的身體之一面所見。該物件1具有二縱向側緣2、3具有相等長度,並概以相同方向延伸。前和後端緣4、5橫向地延伸於該物件1的兩端。該後端緣5在當使用該物件1時係欲要被朝後定向、而該前端緣4係欲要被朝向穿戴者的下腹。該物件1包含一流體可滲透的頂片8,一流體不能滲透的背片9,及一吸收核芯10具有一第一吸收層11和一流體流動控制結構13,被包圍於該頂片8與底片9之間,如圖4中所示。在圖3~圖5中該 核芯包含一第二吸收層15設於該流體流動控制結構13與該背片9之間。該物件1的頂片8和背片9係被示出會沿整個周邊一起側向地延伸至該第一吸收層11的外部,並在一繞該物件1之周緣的邊緣接合處互相連接。該邊緣接合處可被以該技術中習知的任何適當方法來形成,譬如藉由黏劑、超音波接合、熱接合、縫合等。該頂片8和背片9可由適合該特定目的的任何材料構成,譬如一非織物或膜材料,如所揭者。
彈性構件16,譬如彈性材料如發泡彈性物之帶等,會被設在該頂片8和背片9之間,並沿該第一吸收層1的縱向側緣。該等彈性物係位在該窄橫向過渡區14外部的區域中,而該過渡區14係位在該第一吸收層11的前部6與後部7之間。一間隙17係位在一介於該彈性構件16與該窄橫向過渡區14之間的區域中,即在該第一吸收層11的窄橫向過渡區之側向外部。該間隙17係實質上沒有吸收材料。該間隙會提供該物件之一細長形狀,並改良該物件對穿戴者的適配而可減少側漏。
圖1和圖2示出一第一吸收層11具有一開孔12延伸貫穿。一流體流動控制結構13係設在該第一吸收層11底下。該第一吸收層11具有一縱向前部6和一縱向後部7,及一窄橫向過渡區14位於該前部6與後部7之間,如圖1中所示。該窄橫向過渡區14的寬部是該第一吸收層11之前部6的最寬橫向寬度的50~75%,且為該第一吸收層的後部7之最寬橫向寬度的50~75%,譬如65mm。該前部6和後部7的最 寬橫向寬度可為大約75~170mm,譬如100mm。該窄橫向過渡區14的縱向伸幅是該第一吸收層11之縱向長度的5~20%。該第一吸收層的前部是該第一吸收層之縱向長度的20~40%。該第一吸收層11的縱向長度可為大約230~400mm,譬如300mm。
該吸收物件1如圖3中所示,當在所有方向完全伸張時,具有一伸長的概呈矩形形狀。該“概呈”用語在本文中意指,例如,該失禁護墊1的邊角可為圓曲的,或該失禁護墊1的邊緣可能不是完全直線的。
該吸收物件1可更具有固緊裝置(未示於圖式中)用以供該物件1固定在一支撐褲件的內部,譬如一內褲中。該固緊裝置可為二設在該背片9之面向衣服表面上之縱向延伸的壓力敏感式黏性帶的形式。該固緊裝置可被以一能釋離的保護層覆蓋。該保護層可為一矽化紙,一非織物,或該領域中習知的任何其它可釋離材料。在將該失禁護墊置入該支撐褲件之前,該保護層會被由該固緊裝置移除以曝露該黏劑,而使其可用來供固定於該褲件。
該固緊裝置對本發明是可擇性的,且若適宜則可被略除。當使用一黏性固緊裝置時,任何適當的黏劑圖案皆可被使用,譬如該背片的全面塗層,一或多條縱向黏帶,橫向黏帶、點、圓形、曲線、星形等。又,該固緊裝置可為一機械固緊物,譬如鉤式固緊物、夾子、壓釘等,或可為一摩擦固緊物,譬如一摩擦塗層或開放胞元式發泡體。不同類型的固緊物之組合亦可被思及。
在圖3中所示的吸收物件1之吸收核芯10包含一第一吸收層11和一第二吸收層15。該等吸收層可包含一吸收性及/或非吸收性纖維和超吸收材料的混合物。一流體流動控制結構13係設在該第一吸收層11與第二吸收層15之間。在圖3的吸收物件1中,該第一吸收層11係位在該頂片8底下並與其直接接觸。
該第二吸收層15係被示出具有一概呈矩形的形狀。該第二吸收層15係位在第一吸收層11底下。該第二吸收層15係有點小於該第一吸收層11,因此該第一吸收層11會在該吸收物件1中向前及向後延伸超過該第二吸收層15。該等吸收層的大小及形狀可不同於該等圖中所示者亦不超出本發明。又,依據本發明該第二吸收層15可在該吸收物件1中被略除,或該物件1可包含一或更多個另外的吸收層。
該第一吸收層11具有一開孔12完全地延伸貫穿該層1。該第一吸收層11可具有一或更多個不同形狀和構態的開孔12。然而一伸長的開孔12係較佳。該開孔12的縱向長度為該第一吸收層之縱向長度的10~60%。該開孔的長度可為例如約100mm。該開孔12係有其縱向長度的20~50%位在該第一吸收層11的前部6中。該開孔12在第一吸收層11之前部6中的橫向尺寸係比在第一吸收層11之後部7中的橫向尺寸更大。該開孔12在該物件被使用時會被置於一女性穿戴者之尿道和陰道開口的正下方。被釋放於該吸收物件1的任何體液將會被直接地收集於該開孔12中,且被暫 時地容納其內,直到被進一步分佈於該吸收核芯10並遍佈其中。
在圖4中該頂片8並未向下伸入該空穴內,其係由該第一吸收層11中的開孔12和該流體流動控制結構13之面向頂片表面所界定者,但較好可以伸入。該流的一部份係被收集於該開孔12中,而可透過該開孔12中之該第一吸收層的壁被該第一吸收層吸收。但是,絕大部份的流體將會在該吸收物件1中繼續向下並進入該流體流動控制結構13中,於該處其會被沿該流體流動控制結構13縱向及橫向地分佈。
該流體流動控制結構13在圖1~圖5中係被示為矩形形狀,且在縱向和橫向會被部份的吸收層11、15包圍。若該流體流動控制結構13具有一較小的寬度,且較好亦比該等吸收層11、15更短,則通常是較有利的。
該流體流動控制結構13可為一三層結構,包含一非多孔的纖維聚合物層係中夾於一第一多孔的聚合物層與一第二多孔的聚合物層之間。
該吸收物件1中的部件可被以傳統的手段互相連接,譬如結構黏劑、熱接合、超音波接合等。其可能不需要以特殊的接合手段來將該失禁護墊的內部件互相接合。因此,其可能使該等部件藉摩擦力固持在一起即已足夠。
圖6是一依據本發明的物件1之一實施例的側視圖。該第一吸收層的前部6和後部7之間的窄橫向過渡區14會提供一該物件對穿戴者之改良的適配性,且其更會因該 間隙17和彈性構件16等而進一步加強。
6‧‧‧前部
7‧‧‧後部
11‧‧‧第一吸收層
12‧‧‧開孔
13‧‧‧流體流動控制結構
14‧‧‧窄橫向過渡區

Claims (16)

  1. 一種吸收物件譬如一衛生棉片或失禁墊,具有縱向側緣和橫向端緣等,並包含一流體可滲透的頂片,一流體不能滲透的背片,及一吸收核芯係位在該頂片與該背片之間,該吸收核芯包含一第一吸收層具有一開孔延伸貫穿,及一流體流動控制結構位於該第一吸收層與該背片之間,特徵在於:該第一吸收層具有一縱向前部和一縱向後部,及一窄橫向過渡區係位在該前部與該後部之間,該窄橫向過渡區的寬度是該第一吸收層之該前部的最寬橫向寬度的50~75%,且該開孔之縱向長度的20~50%係位在該第一吸收層之該前部中。
  2. 如申請專利範圍第1項之吸收物件,其中該窄橫向過渡區的寬度是該第一吸收層之該後部的最寬橫向寬度的50~75%,較好為55~70%。
  3. 如申請專利範圍第1或2項之吸收物件,其中該窄橫向過渡區的寬度是該第一吸收層之該前部的最寬橫向寬度的55~70%。
  4. 如申請專利範圍第1~3項之任一項的吸收物件,其中該窄橫向過渡區的縱向伸幅是該第一吸收層之縱向長度的5~20%。
  5. 如申請專利範圍第1~4項之任一項的吸收物件,其中該開孔之縱向長度的20~40%係位於該第一吸收層之該前部中。
  6. 如申請專利範圍第1~5項之任一項的吸收物件,其中該第一吸收層中之該開孔縱向長度是該第一吸收層之縱向長度的10~60%。
  7. 如申請專利範圍第1~6項之任一項的吸收物件,其中該第一吸收層中之該開孔縱向長度是該第一吸收層之縱向長度的20~40%。
  8. 如申請專利範圍第1~7項之任一項的吸收物件,其中該開孔在該第一吸收層之該前部中的橫向尺寸係比該開孔在該第一吸收層之該後部中的橫向尺寸更大。
  9. 如申請專利範圍第1~8項之任一項的吸收物件,其中該第一吸收層之該前部會構成該第一吸收層之總縱向長度的20~40%。
  10. 如申請專利範圍第1~9項之任一項的吸收物件,其中該第一吸收層之窄橫向過渡區的寬度係小於130mm而大於30mm,較好為小於90mm而大於50mm。
  11. 如申請專利範圍第1~10項之任一項的吸收物件,其中該第一吸收層只含有一開孔。
  12. 如申請專利範圍第1~11項之任一項的吸收物件,其中有一第二吸收層係位在該流體流動控制結構與該背片之間。
  13. 如申請專利範圍第12項之吸收物件,其中該第二吸收層具有一比該第一吸收層更小的表面積。
  14. 如申請專利範圍第1~12項之任一項的吸收物件,其中該頂片和背片會一起側向地延伸至該第一吸收層外部。
  15. 如申請專利範圍第1~13項之任一項的吸收物件,其中彈性構件會沿該衛生棉片之各側向側緣列設,而至少側向地在該第一吸收層之該前部與該後部之間的窄橫向過渡區外部。
  16. 如申請專利範圍第1~14項之任一項的吸收物件,其中該吸收物件具有一實質上設有吸收材料的間隙位於該第一吸收層之該窄橫向過渡區的側向外部。
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